IronPython & Windows Forms

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  - 1
    - Language detection Hi there. I need to detect what languages are supported by an application using the VS automation IDE (for a VS add-in). Unfortunately, I can't seem to find any clean way of doing this other than searching for all (embedded) resource files and checking for the appropriate language extension (e.g., "MyResource.[<LanguageExtension>].resx"). Does anyone know if there's a cleaner way of doing this (none that I can find in the automation API so far) and more importantly, how do you determine what the default language is (since no language extension is present for default language resource files). Thanks in advance. Tag: IronPython & Windows Forms Tag: 101836
  - 2
    - NetworkChange does not work http://msdn2.microsoft.com/en-us/library/system.net.networkinformation.networkchange.aspx I am trying the vb.net example from above link. But it does not work for me. Does it atall works. Is it working for anybody. I am using framework 2.0, Windowx XP Steve. Tag: IronPython & Windows Forms Tag: 101834
  - 3
    - Visual styles an .NET Framework 2.0 In .NET Framework 1.1 in order to enable visual styles we had to code: Application.EnableVisualStyles(); Application.DoEvents(); before anything visual, and then set the FlatStyle attribute of the controls to FlatStyle.System. Is all these needed on version 2.0 in order to achieve the same behaviour (XP like controls) ? Thanks Emmanuel Tag: IronPython & Windows Forms Tag: 101824
  - 4
    - Sharing a component across multiple tabs Hi, I have an application where multiple TabPages (within the same TabControl) need to contain the same components; switching tabs changes the data source feeding into the components. I guess this is a problem a lot of people have solved in the past, but I can't seem to get it to work elegantly. In my current implementation, each time I receive a "Selected" event from the TabControl I switch over my data source, then add my data panel to the newly-selected tab (which automatically removes it from the previous tab). This works reasonably well, but the data grid "flickers" irritatingly - I suspect because of the reparenting. I have tried making the TabControl and the data panel children of the same parent Panel, laid out so that the tabs abut the data panel, and simply changing the data source when the tabs change. This avoids the flickering problem - but unfortunately the 3D border of the TabPanel is very visible, so it's obvious that the data panel is not on the TabControl. If I could switch off the 3D border, this could look OK, but I can't find any way to do that. My final attempt was again to put the TabControl and the data panel on the same parent Panel, but this time making sure that the data panel was on top of the TabControl in the Z-order, and then listening for Resize events from the TabControl and handling them by resizing the data panel so that it precisely obscures the TabPanel. This *almost* works, but (a) the resizing happens a bit too slowly, and is very visible to the user, and (b) it feels really really hacky :-) There *must* be a better way of doing this, can anyone help me out? Cheers, Giles Tag: IronPython & Windows Forms Tag: 101818
  - 5
    - Using the ASP.NET 2.0 Profile in WinForms Hi all, We have an ASP.NET 2.0 web app which uses Profiles, and want to write a little WinForms app to administer sections of the site. In a little prototype, I was able to utilize Profile in the WinForms app! I added this to my app.config: <system.web> <profile> <properties> <add name="FirstName" type="string" /> <add name="LastName" type="string" /> </properties> </profile> </system.web> (So, it's using the default SQLExpress database/provider). I then wrote this code in a form to create and save profile info: Dim p As ProfileBase = ProfileBase.Create(txtUsername.Text) p("FirstName") = txtFName.Text p("LastName") = txtLName.Text p.Save() NOW, I do have one remaining question. When using Profile in ASP.NET, ASP.NET somehow creates a "ProfileCommon" subclass of ProfileBase with strongly-typed properties (as opposed to the non-strongly-typed properties that I use above). Each Page's "Profile" property returns this ProfileCommon. How does ASP.NET create this ProfileCommon class - does it code-generate it? Secondly, is there a way that I could make use of the strongly-typed ProfileCommon class in my WinForms app? Tag: IronPython & Windows Forms Tag: 101817
  - 6
    - Toolbar in a TaskBar like Windows Media player I am trying to put a toolbar in the taskbar when the user minimizes the application, something like windows media player where when you minimize it puts the toolbar on the taskbar and you will be able to do some basic operations on media player or bring back the window etc. I would really appreciate any suggestions or pointers how to do this. Thanks in Advance Tag: IronPython & Windows Forms Tag: 101816
  - 7
    - Dock and Z-Order Problems I have a lingering problem with control docking and z-order. As I understand it, the control docking order based on the control z-order. So If I have two controls, Control1 & Control2 whose Dock properties are both set to Top, the control that is "Top Most" will appear on the top. I tried changing the z-order in the designer for Control2 by selecting bring to front, but when I show the form, Control1 appear on top. Programatically, I tried settting the z-order by calling the BringToFront method and then changing the Dock as follows: Control1.Dock = DockStyle.None; Control2.Dock = DockStyle.None; Control1.Location = new point (0,0); Control2.Location = new point (0,0); Control2.BringToFront(); Control1.Dock = DockStyle.Top; Control2.Dock = DockStyle.Top; But this still does not work. How do I set Control2 to be on Top of the form? I hope I don't have to muck around with the designer generated code. I am using .Net 2.0. Thanks Tag: IronPython & Windows Forms Tag: 101813
  - 8
    - MDI form and MessageBox I have an MDI form with Child forms. If I show a MessageBox from an MDIChild form and click any of the buttons on the MessageBox my MDI Parent (and it's children) dissappear behind any other windows I might happen to have open at the time. Any Ideas? Tag: IronPython & Windows Forms Tag: 101812
  - 9
    - TreeView TreeNode LabelEdit accepts only one character C++ VS2005 The following MDI Form only allows me to type one character in the TreeNode's edit control unless the child window is focused in a Normal (or Maximized) WindowState. After entering one character the child form is appears to receive focus, ending the edit operation. If there is more than one MDI child, then the first child receives focus and is brought to front. How can I fix this? public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) { InitializeComponent(); } protected: ~Form1() { if (components) { delete components; } } private: System::Windows::Forms::TreeView^ treeView1; private: System::ComponentModel::Container ^components; #pragma region Windows Form Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> void InitializeComponent(void) { this->treeView1 = (gcnew System::Windows::Forms::TreeView()); this->SuspendLayout(); // // treeView1 // this->treeView1->Dock = System::Windows::Forms::DockStyle::Left; this->treeView1->LabelEdit = true; this->treeView1->Location = System::Drawing::Point(0, 0); this->treeView1->Name = L"treeView1"; this->treeView1->Size = System::Drawing::Size(200, 471); this->treeView1->TabIndex = 0; // // Form1 // this->AutoScaleDimensions = System::Drawing::SizeF(6, 13); this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font; this->ClientSize = System::Drawing::Size(696, 471); this->Controls->Add(this->treeView1); this->IsMdiContainer = true; this->Name = L"Form1"; this->Text = L"Form1"; this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load); this->ResumeLayout(false); } #pragma endregion private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) { Form^ f = gcnew Form(); f->MdiParent = this; f->Show(); f->WindowState = FormWindowState::Minimized; TreeNode^ tn = this->treeView1->Nodes->Add("Top1"); tn->Nodes->Add("sub1"); tn->Nodes->Add("sub2"); tn = this->treeView1->Nodes->Add("Top2"); tn->Nodes->Add("sub3"); tn->Nodes->Add("sub4"); tn->Nodes->Add("sub5"); tn = this->treeView1->Nodes->Add("Top3"); tn->Nodes->Add("sub6"); tn->Nodes->Add("sub7"); tn->Nodes->Add("sub8"); this->treeView1->ExpandAll(); } }; Tag: IronPython & Windows Forms Tag: 101811
  - 10
    - Collapsable Panel Is there a control in 2.0 that can be used as a collapsible panel? Or do I need to look at implementing my own or using a 3rd party control? Thanks Brian Tag: IronPython & Windows Forms Tag: 101804
  - 11
    - New controls in .Net 2.0 Is there something online somewhere that demos all or most of the new controls in 2.0? I've searched google and MSDN to no avail. Thanks, Brian Tag: IronPython & Windows Forms Tag: 101803
  - 12
    - With DataDirectory Keyword: CrystalReports.Load, CrystalReports.SetDataSource Yields Password Prompt Which You Can Cancell And Still See Report! How To Stop Prompt Hello, the step that I did to get to my current question are: I began to use the keyword DataDirectory and the next line of code. When I ran the application, I would be asked for a Login ID and password. If I clicked the cancell button on that Login window I would not see the report at all. CrystalReport1.Load(Application.StartupPath & "\..\..\CrystalReport1.rpt") So, I eventually tried the following 2 line code sequece. This time if I pressed the cancell button on the Login window it would show the report. CrystalReport1.Load(Application.StartupPath & "\..\..\CrystalReport1.rpt") CrystalReport1.SetDataSource(Employee_DatabaseDataSet) Question: The last 2 lines of code will display the report and I'm pleased with that. But, how can I stop the Login prompt? I want to just open the report without being asked for Login ID or password. Trying to finish-up a project, Christopher Lusardi Tag: IronPython & Windows Forms Tag: 101799
  - 13
    - Cann't Hide Main Form Window Hi ,All I have a small c# app, when It start, Hide it self to system tray. but when I add: public Form1() { InitializeComponent(); Hide(); } or protected override void OnLoad(EventArgs e) { base.OnLoad(e); Hide(); } they doesn't work, How can I do ?, thanks -- _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ _/ _/ Nie Longhai , coder -_-||| _/ Shanghai Xomi Instruments Co., Ltd. _/ URL: http://www.xomi.cn _/ Shanghai C&U Industrial Park _/ Feng Cheng Town, Feng Xian District _/ Shanghai, 201411 _/ Phone:86-21-57513966-807 _/ Fax:86-21-57513636 _/ Mobile:13162055440 _/ Email:NieLH@xomi.cn ,cok119@163.com _/ _/ Profession & Focus _/ High precision semiconductor metrology system vendor. _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Tag: IronPython & Windows Forms Tag: 101796
  - 14
    - XSD File and Database View hi Guys! i've faced very very strange problem. i don't know whether it is a problem or its the feature of the .net 2.0. I'd made some Dataset using XSD file. in this XSD files i've created 3 tables and defined some constraint in them. i generated Data Adapter and everything was working fine. Then i made change in the database. i added one column in the one of the table and renamed the table and also created the view with the previous name of the table so that my dataset work correctly. but what surprised me is, my dataset didnt work. yeah, i spent hours to find out the problem but all my R&D failed. after lots of R&D i drop the view and again renamed the table and everything started working back. and that surprised me. My conclusion on this is : -- if you have enforced constriant in the Dataset XSD files, then do remember to modifiy tables in the file as you modify them in the database -- XSD file doesnt work with views. i mean if you have constraint enabled then XSD failes to work with view as it only requires physical tables so that constraint can be enfored. I want your vies on my experienced because this is something i cant find it anywhere and only experienced developers can tell me why, what and how on this problem. please let me know if there is something i'm missing. thanks, Lucky Tag: IronPython & Windows Forms Tag: 101794
  - 15
    - Minus key on numpad not in Keys enumeration? Hello Group, i want to know how to handle the pressed key on the numpad? I found Keys.OemMinus but this does only follow the pressed "normal" minus key and not the minus key on the numpad. There is Keys.Add for the plus key on the numpad and Keys.Oemplus for the "normal" plus key. Please help me - thanks. Roland Tag: IronPython & Windows Forms Tag: 101786
  - 16
    - Clipboard and custom data hi, there's some very strange with the clipboard (I'm using .NET 2.0). I tried to set an object (type is inherited from TreeNode) to the clipboard. This works fine but when I want to retrieve this object from clipboard it doesn't work. It's strange because the GetDataPresent methode returns "true" when I ask wether the requested type of object is present at the clipboard. However getting the object returns "null". Here's some code of my app: // copy to clipboard TreeNodeEx copy = (TreeNodeEx)treeCards.SelectedNode.Clone(); DataObject data = new DataObject(); data.SetData("Test", copy); Clipboard.SetDataObject(data); // paste from clipboard TreeNodeEx t = Clipboard.GetDataObject().GetData("Test") as TreeNodeEx; // type of the object [Serializable] class TreeNodeEx : TreeNode { [...] } Why doesn't this work? Thanks for any help Steffen Tag: IronPython & Windows Forms Tag: 101784
  - 17
    - Buttonrendering, datagrid Hi all, When a cell of a datagrid is set to type combobox, it doesnt show the little dropdown button until the actual cell is clicked. I want the cell to have the button all the time, also when not clicked. As far as i know, the only way to do this is to draw your own little button in the cell by using the rendering.. this works fine, however i have drawn a normal button now, i want an exact copy of a "combobox-button". Does anyone have any idea how to accomplish this? The normal button i get using following code.. It is gray, which should be lightblue and i use a "v" to show on the button, which isnt ideal either.. Many thanks for any suggestions. Albert Dim clickrectangleValue As New Rectangle With clickrectangleValue .X = e.Bounds.X + (0.75 * e.Bounds.Width) .Y = e.Bounds.Top + (0.05 * e.Bounds.Height) .Width = e.Bounds.Width * 0.25 .Height = e.Bounds.Height * 0.9 End With ButtonRenderer.DrawButton(e.Graphics, clickrectangleValue, "v", Me.Font, False, state) Tag: IronPython & Windows Forms Tag: 101783
  - 18
    - Uninstaller Help Hi everyone, is it posible to assing a custom uninstaller to your application?.. i mean.. that if you choose to uninstall your software in control panel's add/remove programs, that uninstaller that you did will execute? Tag: IronPython & Windows Forms Tag: 101778
  - 19
    - About MultiThread in Form Hi ,All I'm a newbie for c#, I have a question about MultiThread in C# and Form, In .Net 2.0, the Form cann't be access by other thread, but when I start a new thread using follow code: Thread newThread = new Thread(MyFormInstance.method) compile and run OK, why this Form instance can be access by two thread(main thread and newThread) and no exception occured? thanks for any advice -- _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ _/ _/ Nie Longhai , coder -_-||| _/ Shanghai Xomi Instruments Co., Ltd. _/ URL: http://www.xomi.cn _/ Shanghai C&U Industrial Park _/ Feng Cheng Town, Feng Xian District _/ Shanghai, 201411 _/ Phone:86-21-57513966-807 _/ Fax:86-21-57513636 _/ Mobile:13162055440 _/ Email:NieLH@xomi.cn ,cok119@163.com _/ _/ Profession & Focus _/ High precision semiconductor metrology system vendor. _/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ Tag: IronPython & Windows Forms Tag: 101776
  - 20
    - Performance issue due to Background image I have my base form which has background image , tool bar etc,All other forms inherit it. The background image size is 34kb and it is in Jpeg format.All the other forms also has many images since we have unique look and feel. The issue I am facing is performance . Application works fast when I don't have background image on my base form ( in turn we don't have any background image for any of the form), But when I apply background image for the base form or individual form , screen loads slowly ie.. the controls on the screen loads slowly . is there any way to overcome this problem Technology - Windows form in VB.Net Tag: IronPython & Windows Forms Tag: 101769
  - 21
    - clickonce async wait I want to do an async update with clickonce. The main reason is so I can get the DeploymentProgressChangedEventArgs (bytes downloaded etc.) and update the UI. What is the best way to wait in the main thread until the CheckForUpdateCompleted event fires. thanks, Tag: IronPython & Windows Forms Tag: 101768
  - 22
    - Professional Toolstrip Renderer Is there a simple method to set the renderer to one of the three standard XP themes without having to set each property? I want to give the user the option (on pre XP systems) to set the application style to one of the XP themes. Thanks. Tag: IronPython & Windows Forms Tag: 101767
  - 23
    - Windows Form Application Authentication in .NET 2.0 Hi, I am trying to implement ActiveDirectory Authentication for Windows Form Application in .NET 2.0. I am not getting much help regarding WinForms with ActiveDirectory, but most of the information telling about ASP.NET with Active Directory. Can any one please point me to the right information. Thank you! Suresh Tag: IronPython & Windows Forms Tag: 101765
  - 24
    - Drag and Drop Outlook attachment into a Windows Form Control I previously performed drag and drop between 2 lists within a Windows form. Right now I am looking for something a little more complex and I am not able to find a way to do it. In just few words, I want to drag a file (in my case a PDF file) which is an attachment to an email in Outlook 2003 client and drop it over a control (in my case a command button or anything else) within a window in my application. When file is dropped over my designated control, I do not need to open it I just want to save it into a SQL database. Saving files in SQL databases is not an issue because I am already doing it, my only problem is I don't know how to capture the dropped file into a variable in order to be afterwards able to save it into the database. The same question would apply for other formats too (e.g. BMP, JPG, TIFF, DOC, XLS, etc.) if each type should be handled in a different way. I appreciate any hints into this issue. Thanks, Adrian Tag: IronPython & Windows Forms Tag: 101764
  - 25
    - Using vbTab to create tsv files I'm attempting to create a tsv file (i.e. equivalent to what Excel produces when you use the Text (tab delimited) type when saving. I'm trying this... Dim sw As New System.IO.StreamWriter("c:\test.tsv") sw.Write("sdfdsf" + vbTab + "dsfsd") sw.Close() ...but the output of that is gibberish. Anyone how to do this? Tag: IronPython & Windows Forms Tag: 101758
- Next
  - 1
    - Data binding to a NUmbericUpDownBox I have 1 row of data in data set and want to bind to a numeric box. I figured that nUpDwnMin1.DataBindings.Add("Value", ,"Min_1"); but I having an issue figuring out the source notation. Unfortunately, I am getting confused about setting the value from the data set. I created all my tables with table[0]. Do I have to use a get and set statement for the valuesl in the class? Can I directly load from the dataset? Also, these are numbers that will be updated that's why I decided to use a dataset to write back easily? This data set only contains 1 record. I put the code below to see if I am going over board. Any help is greatly appreciated. Mark //Call over private void Load_CodeAssignments() { DataTable dt = new DataTable(); Codes dsCodes = new Codes(cbDept.Text, cbPyramid.Text); dt = dsCodes.Get_Codes; //nUpDwnCodeA.Value = dsCodes.Get_Codes.Columns["A_pct"]; No good //nUpDwnMin1.Value = Convert.ToDecimal(dt.Columns["Min1"]); No good nUpDwnMin1.DataBindings.Add("Value", ,"Min_1"); } //Class public class Codes { #region Private Members private DataSet _dsCodes; #endregion #region Public Properties public DataTable Get_Codes { get { return _dsCodes.Tables[0]; } } #endregion #region Constructors public Codes(string Department, string Pyramid) { //This will establish the database connection Database db = DatabaseFactory.CreateDatabase("Test"); //This will allow you to call a SP and use parameters DBCommandWrapper dbc = db.GetStoredProcCommandWrapper("usp_Inv_SS_GetCodes"); dbc.AddInParameter("@Department", DbType.String, Department); dbc.AddInParameter("@Pyramid", DbType.String, Pyramid); _dsCodes = db.ExecuteDataSet(dbc); } #endregion Tag: IronPython & Windows Forms Tag: 101753
  - 2
    - treeview I have a treeview wist several nodes each node has its own context menu for now, every menuitem in theese menues has the same code: msgbox (treeview1.selectednode.name.tostring,okonly) the problem is that every i click on the menuitem the message box shows me name of the node that was selected before rightclick and thet node is stil selected. how do i get node name of the node where right click happened? Tag: IronPython & Windows Forms Tag: 101746
  - 3
    - Program stuck when removing row from DataTable Hello I have built a DataGridView that its data source is binded to a DataTable after adding it 200 rows I try to remove the first row and the program stuck, What could it be???? Thanks. Tag: IronPython & Windows Forms Tag: 101740
  - 4
    - ClickOnce error After a few problems with my windows account (was deleted and then made it again with the same name) I can't update my app with ClickOnce. The error is ERROR SUMMARY Below is a summary of the errors, details of these errors are listed later in the log. * Activation of C:\Documents and Settings\john\Start menu\Programs\john\contacts.appref-ms resulted in exception. Following failure messages were detected: + The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3) COMPONENT STORE TRANSACTION FAILURE SUMMARY No transaction error was detected. WARNINGS There were no warnings during this operation. OPERATION PROGRESS STATUS * [08.06.2006 11:07:55] : Activation of C:\Documents and Settings\john\Start menu\Programs\john\contacts.appref-ms has started. ERROR DETAILS Following errors were detected during this operation. * [08.06.2006 11:07:55] System.Runtime.InteropServices.COMException - The referenced assembly is not installed on your system. (Exception from HRESULT: 0x800736B3) - Source: System.Deployment - Stack trace: at System.Deployment.Internal.Isolation.IStore.GetAssemblyInformation(UInt32 Flags, IDefinitionIdentity DefinitionIdentity, Guid& riid) at System.Deployment.Internal.Isolation.Store.GetAssemblyManifest(UInt32 Flags, IDefinitionIdentity DefinitionIdentity) at System.Deployment.Application.ComponentStore.GetSubscriptionStateInternal(DefinitionIdentity subId) at System.Deployment.Application.SubscriptionStore.GetSubscriptionStateInternal(SubscriptionState subState) at System.Deployment.Application.ApplicationActivator.ProcessOrFollowShortcut(String shortcutFile, TempFile& deployFile) at System.Deployment.Application.ApplicationActivator.PerformDeploymentActivation(Uri activationUri, Boolean isShortcut) at System.Deployment.Application.ApplicationActivator.ActivateDeploymentWorker(Object state) What assembly is about and how can I correct this ? Tag: IronPython & Windows Forms Tag: 101732
  - 5
    - How to place border to the item selected in the listbox? Hi All, I'am using Vb.net 2005.I want to develop an application in which I have listbox control with 2 columns in it. In first column string is displayed and in other column colored labels are displayed. Now whenever i select item from a listbox it shows blue color filled into that row. Instead of this i want whenever user selects item from listbox some rectangular border is placed thorugh the item. For a look it is there in Microsoft publisher color scheme. Please let me know how to do it. Thank You in advance. -Manju Tag: IronPython & Windows Forms Tag: 101731
  - 6
    - How to place border to the item selected in the listbox? Hi All, I'am using Vb.net 2005.I want to develop an application in which I have listbox control with 2 columns in it. In first column string is displayed and in other column colored labels are displayed. Now whenever i select item from a listbox it shows blue color filled into that row. Instead of this i want whenever user selects item from listbox some rectangular border is placed thorugh the item. For a look it is there in Microsoft publisher color scheme. Please let me know how to do it. Thank You in advance. -Manju Tag: IronPython & Windows Forms Tag: 101730
  - 7
    - How to place border to the item selected in the listbox? Hi All, I'am using Vb.net 2005.I want to develop an application in which I have listbox control with 2 columns in it. In first column string is displayed and in other column colored labels are displayed. Now whenever i select item from a listbox it shows blue color filled into that row. Instead of this i want whenever user selects item from listbox some rectangular border is placed thorugh the item. For a look it is there in Microsoft publisher color scheme. Please let me know how to do it. Thank You in advance. -Manju Tag: IronPython & Windows Forms Tag: 101729
  - 8
    - .net framework configuration Hi everyone, I have to install a .net executable on every machine in my network. Done. Now, when this executable runs, it stops with an unhandled exception. The only machine where it runs OK is the one on which I put up a .net framework security policy that enables the application to run. Right, but is there a way to set up this configuration via script or group policy, or do I have to manually configure each workstation ?! Tag: IronPython & Windows Forms Tag: 101728
  - 9
    - PropertyGrid MS .Net gurus opinion needed Hi there all, I've used the property grid control in the past and it is a very nice control. But i wonder is there a way to switch the left and right columns, for languages the use RTL the left column should be the value column and the right column should be the property name column. Is there a way to achive this without writing the control from scratch ? I've explored all of the properties and methods of the property grid and didn't found a hack for this. 0L Tag: IronPython & Windows Forms Tag: 101727
  - 10
    - "Global" objects I am new to .NET and am wondering how to accomplish having certain global objects that could be referenced by other forms/user controls. I have a main form on which I show various user controls depending on which item the user clicks on in the NavBar on the left of the form. Each user control has certain program functionality on it. What I want to do, for example, is have certain object variables on the main form (e.g. m_oEventLogger) that I can reference from my user controls, or from other forms that I might show. 1) How do I declare these in the code for the Main form? 2) How would I refer to them from user controls shown on the main form? 3) How would I refer to them from other forms that are shown separate from the main form? Tag: IronPython & Windows Forms Tag: 101726
  - 11
    - What is major difference between form and usercontrol? Both of them are derived from Container Control Class. But if I used a user control derived class, it cause a refreshment problem, whereas everything was okay if used a form derived class. I suspected user control had blocked some messages. thx. Tag: IronPython & Windows Forms Tag: 101723
  - 12
    - Problem with MDI child form behavior I'm working on a C# program in Visual Studio 2003. The main form has a treeview control on the left side, a splitter, and the right side of the splitter has nothing and is used as the MDI client area. I have several MDI child forms open (typically maximized) and can pick which child form has focus by clicking on it's node representation in the treeview control. The event handler for the treeview figures out which mdi child form is associated with the selected node and does Child.Focus(). Everything works fine, except one of my forms. It is fairly long, has AutoScroll = true, and has a vertical scrollbar even when maximized, because of the length of the form. The form will look normal the first couple of times I choose it's node (is maximized with a scrollbar). But eventually when I select another form, then switch back to this form it will be resized as if the windowstate is "Normal", even though it is actually "Maximized". The middle controlbox button shows as if the form is maximized and I can see the other child form maximized behind it. If I click the "maximize" controlbox button, it will stay it's same size, but switch to "Normal" windowstate, where I can click the "maximize" button again to maximize it to the proper view. Also, if I've switched to this child form so that it is in this messed up state and just start to resize the main parent form, the mdi child form will immediately snap into the proper maximize state. If I turn "AutoScroll" off, the child form won't ever go into this weird state, but I don't have the scrollbar, which is needed. This seems like a bug with the .NET framework that others might have come across. Does anyone know what's happening or a solution? Tag: IronPython & Windows Forms Tag: 101717
  - 13
    - .NET windows service does not autostart I have created a windows service in VS2005 .NET, which works well. The service is set to "Automatic", however it does not autostart on bootup. The eventlog shows the error "The service did not respond to the start or control request in a timely fashion" My service uses TCP/IP sockets, so I have specified "Tcpip" as a dependency service (For some reason, the DependOnService shows up in the registry entry for my service, but not in the services management MMC). My service also tries to connect to a SQL server on a remote database at startup (I am using ADO.NET). Should I be adding any other DependOnServices? I read a post about this error happening if the Application event log is full, however, on my machine it is set to "overwrite events as needed", so I dont think thats the issue. Harv Hundal Tag: IronPython & Windows Forms Tag: 101716
  - 14
    - Is there a way to stop control events during the form load? I have a VB.NET app with a radio button that has check changed handler on it, and the InitializeComponent() code sets the .checked value to true which triggers the event handler. Is there a way to suspend event processing until initialization is complete? Thanks. Tag: IronPython & Windows Forms Tag: 101714
  - 15
    - ClickOnce Double Install Prompt I am trying to deploy an application using ClickOnce The website appears to be correct. The user can open it in thier browser and click on the install button The user receives the Application Install - Security Warning prompt and can click Install or Dont Install The user clicks Install The app appears to be installing The user then receives a second Application Install - Security Warning prompt and can click Install or Dont Install If the user clicks Dont Install then a security exception happens ('System.Security.Policy.PolicyException') The Start Menu Icon was created The user can then click on the Start Menu Icon The user receives the Application Install - Security Warning prompt and can click Install or Dont Install If the User Click Install the application will then run The user will then never be propmted again. How can I remove the second Install prompt? Thank you Tag: IronPython & Windows Forms Tag: 101713
  - 16
    - Active Directory Authentication in .NET2.0 Hi, I am trying to write Windows Form application in .NET 2.0, which needs ActiveDirectory Authentication module integration. Can any one point me to related links. Please suggest me what is the right way of doing in .NET 2.0. Thanks Suresh Eddala Tag: IronPython & Windows Forms Tag: 101712
  - 17
    - TreeView missing QueryContinue..Event I am trying to get a QueryContinueDragEvent per the MSDN tutorial on Drag&Drop from a TreeView control. My TreeView is at the same time source and destination (basically I am trying to manually rearrange nodes). I try to abort the D&D when outside the main form but I can not get the Query.. Event to fire; any ideas what's can be wrong? I've already installed handlers/subscribes for most (Ithink) related events but no luck so far... Thanks ahead! TB Tag: IronPython & Windows Forms Tag: 101711
  - 18
    - ContextMenuStrip on Dual-Screen-Desktop Hi, when the ContextMenuStrip is opened near the right margin of the first screen, the menu itself is displayed on the second screen. Windows Explorer shows it's context menu left of the mouse-cursor-position when opened at the same screen-position. Is there a way to change the behaviour of opening ContextMenuStrip to the behaviour of the contextmenus in Windows Explorer? Thanks, Bruno Tag: IronPython & Windows Forms Tag: 101708
  - 19
    - Suggestions on this problem? (List of controls / user controls) Hi, I have a problem where i need to show non-standardised information in a list and would like to provide in place editing if possible. for example Line 1 A B C Desc 1 3 5 6 Line 2 I II III IV Desc 2 2 4 5 5 The numbers under thier respective headers are the ones i need to provide in-place editing for. There should never be 100s of lines/items so i'm not too worried about creating lots of window handles cos there shouldn't be too many. However, should I... a) use an owner drawn list / control and provide editing in a custom control shown from a Dialog window that is opened after user has selected the item he/she wants to edit? (no inplace editing) b) create a user control which creates all the fields, labels etc and show them in a scrollable control? inplace editing ok, but nightmare to code, esp i'm additing and removing lines c) use a datagrid, with an owner drawn column? is this possible? I already have a user control which renders itself and child text boxes etc for a single item, is there any control anyone knows of that can render a series of user controls? or how do you create an owner drawn datagrid column? (if it's possible) there are a few options i guess, but none seem to be that good. I've seem some 3rd party DataGrids that allow owner drawn cells but this must be possible with DataGrid no? any advice appreciated -- TIA Sam Martin Tag: IronPython & Windows Forms Tag: 101706
  - 20
    - BindingNavigator: does it have a 'Current Item Changed' type of event? I need to do something extra every time the position of what is the 'current' item changes. This could be the user clicking one of the buttons, or typing in a new number However, there doesn't seem to be an event that just says " the user selected a different item from the navigator". In fact, it seems I have to handle the Click event of every toolstrip item that could change the position. Plus, trap the lost focus event for the textbox that displays the current number, and probably trap its KeyDown event in case the user enters the new number and hits Enter. I can't seem to find an event on the navigator itself that would notify me of when the position changes. Not even a property that says what the current item index is - I have to parse out what is in the textbox? I must be missing something basic, because it seems that the control would be incomplete without these 2 thigns. Tag: IronPython & Windows Forms Tag: 101705
  - 21
    - Need assistance with DSO Hi gang, this is pretty critical to me. Any help you can provide is appreciated. I have a WebBrowser control placed on a form. I am not getting the same results as I am in IE. Here is the deal, I dynamically load the HTML into the WebBrowser control, then I invoke a script that passes in XML data to the document. The XML data is not that large, say if it were recipies, it would have maybe 4 recipies in it. The script that loads our "recipies" first populates the master DSO for safe keeping. Then it loads the first "recipie" in the the working DSO so that the user may view it. What is not working properly is that the data never displays in the WebBrowser control on the WinForms application, in IE, it works just fine. I have explored using the onreadystatechange() and ondatasetcomplete() events in attempt to determine what is going on. I have also traced the data being sent to the working dso, it just never appears to load the data in the WebBrowser control. The WebBrowser control is intended to be a read only view of the data on the system. I populate the HTML on the control via the controls DocumentText property Me.wbViewer.DocumentText = My.Settings.HTMLFile I then wait for the document to complete loading Private Sub wbViewer_DocumentCompleted(ByVal sender As Object, ByVal e As System.Windows.Forms.WebBrowserDocumentCompletedEventArgs) Handles wbViewer.DocumentCompleted I then set the data for the document via InvokeScript() If (Not (wbViewer.Document Is Nothing)) Then Dim ObjArr(0) As Object ObjArr(0) = CObj(XmlWrapper.MakeXMLData(<mybusinessobject>)) Me.wbViewer.Document.InvokeScript("loaddata", ObjArr) End If Inside the html I have something like:  <div class="left" id="menusection"></div>  <table datasrc="#mySelectedData" id="DataTable"> <thead> <th>Column 1</th> <th>Column 2</th> <th>Column 3</th> </thead> <tr> <td><span datafld="Column1"></span></td> <td><span datafld="Column2"></span></td> <td><span datafld="Column3"></span></td> </tr> </table>  <div id="myErrors" /> <xml id="myData"></xml> <xml id="mySelectedData"></xml> <script> function loaddata(data){ try { myData.XMLDocument.async="false"; myData.XMLDocument.loadXML(data); reload(0); } catch (e) { myErrors.innerText += "Error loading data: " + e.description; } } function reload(index,settrans){ try { //Populate transaction table if requested if (settrans!=0){loadtransactions();} //hide the data table, just incase the data is empty DataTable.style.display="none"; DataTable.style.visibility="hidden"; var oNodeList = myData.XMLDocument.selectNodes("rootNode/item"); var oTempNode = null; var iIndex=-1; oTempNode = oNodeList.nextNode; while ( oTempNode != null ){ iIndex ++ if (iIndex == index){ //Load subset of data into working DSO mySelectedData.XMLDocument.loadXML("<rootNode>" + oTempNode.xml + "</rootNode>"); //Generate context menus for this set data genmenus(); //Display the data table DataTable.style.display=""; DataTable.style.visibility="visible"; //We've gotten what we came for, move on break; } //If (iIndex == index) } //While ( oTempNode != null ) } //try catch(e){ } } //loaddata('<sample><xml><string><here>'); </script> Tag: IronPython & Windows Forms Tag: 101693
  - 22
    - DataGridView non-focused selection appearance I have two DataGridViews on a form. (I'm using .NET 2005) When I run it, I can't tell which control has the focus because the selection looks the same on both controls. I'd like the selection appearance to work the way Windows Explorer does where only one control has the regular blue selection, and the other controls have a gray selection when they are not selected. How do I do that? Thanks! Tag: IronPython & Windows Forms Tag: 101685
  - 23
    - ListBox: only repaint the items, not other area, in some cases Sorry I can't clearly describe how to reproduce this problem. Only what I can confirm is that, in some cases, the listBox just repainted all items in it, the other area kept the content before. For example, if another window overlaped on it, after removed that window, the listBox's items can normally refresh, but the other blank area kept the content of previous window. It's very strange. I think listBox does some special things to items drawing. I don't know how to do. thx in advance. Tag: IronPython & Windows Forms Tag: 101676
  - 24
    - MouseHover event during drag and drop operations Hi, I am writing a classic, "Explorer"-like app in vb.net 2003 (dotnetfx1.1). I have written code to handle the dragging and dropping of items from a ListView on the right hand part of the form to a TreeView on the left part of the form. When the user pauses over a node in the TreeView in the middle of a drag and drop operation, I'd like the node to automatically expand to reveal the child nodes, just as you see in many commercial applications. However, I am unable to create this behaviour because the TreeView control does not fire the MouseHover event whilst in the middle of a drag and drop operation. Are there any workarounds to this? Regards, James Tag: IronPython & Windows Forms Tag: 101675
  - 25
    - PropertyGrid Hi there all, I've used the property grid control in the past and it is a very nice control. But i wonder is there a way to switch the left and right columns, for languages the use RTL the left column should be the value column and the right column should be the property name column. Is there a way to achive this without writing the control from scratch ? I've explored all of the properties and methods of the property grid and didn't found a hack for this , MS are you listening , why dont you expose a property for this ? 0L Tag: IronPython & Windows Forms Tag: 101674

Hello all,

IronPython [
http://www.codeplex.com/Wiki/View.aspx?ProjectName=IronPython ] is a
great dynamic language for the .NET platform (and also works well on
Mono).

As well as being a great language, Python brings rapid application
development to .NET, without losing the power of the breadth of the
.NET API.

As an example of how easy it is to develop with IronPython, I am
writing a tutorial series on using Windows Forms from IronPython.

So far there are five entries :

* Introduction -
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_05_20.shtml#e342
* Hello World -
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_05_20.shtml#e343
* Widgets & Event Handlers -
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_05_27.shtml#e344
* Panels & Styles -
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_06_03.shtml#e351
* The Textbox Widget -
http://www.voidspace.org.uk/python/weblog/arch_d7_2006_06_03.shtml#e352

The series is still in it's early days. Comments and corrections
appreciated.

All the best,

Fuzzyman
http://www.voidspace.org.uk/python/index.shtml

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