Form level mouse events

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- Previous
  - 1
    - Delaying control repaint. Is it possible? Hi there, Using a foreach, I want to iterate (make visible) all the tabpages of a tabcontrol, in order to activate the databinding of the controls in each tabpage. Is there a way to delay/disable the repainting until the iteration is done, so the user doesn't see the tabpages switching? Something like: -Disable control repaint in the form -Iterate the tabpages -Enable control repaint (and then the last tabpage activated is shown instantly) Regards, -Benton Using VS 2005 Beta 2 Tag: Form level mouse events Tag: 93337
  - 2
    - Form level OnMouseLeave I'm overriding OnMouseLeave at Form level: protected override void OnMouseLeave(EventArgs e) { this.Close(); } The purpose of this, as you may suspect, is to close the form when the user moves the mouse off it. However, this seems to fire whenever the mouse moves over any control on the form, I imagine because the mouse is "leaving" the form's base surface. How can I do what I'm trying to do ? Tag: Form level mouse events Tag: 93336
  - 3
    - Treenode added to itself - No Exception? Hello Ive just made a typo in some code that dynamically adds treenodes to a parent node. The result was something silly like this: dim tn as new treenode("mytext") .. tn.nodes.add(tn) This didn't throw an exception but rather (i assume) recursively looped and hung the application on a test debug and run. Does everyone else get this kind behaviour? And if so why doesn;t it throw an exception? Treeview is a UI control. Its impossible to draw this kind of behaviour....at least in this dimension anyway. RR Tag: Form level mouse events Tag: 93331
  - 4
    - VS 2005 Internet Connection Hi, I am using VS 2005 - BETA 2. I'd like to use My.Computer.Network.IsAvailable to detect whether an internet connection is available. Is this the best "new" way of doing things or does the above method above detect network connectivity of some other type? There seems to be a delay capturing the disconnect-connect events when I do use it, is there a way to shorten this delay? In essence, what does this method wrap? Regards, Giovanni P. Tag: Form level mouse events Tag: 93328
  - 5
    - Text Box Validation - prevent a blank entry Hi, I have a form with several text boxes on it. Each test box requires some validation ... for being numeric etc. and I am successfully using the Validating and Validated events of each text box and an ErrorProvider to achieve this... However, I want to validate one of the text boxes such that the user *must* enter a value... ie. the text box must be non-blank. I tried putting code in the Validating event to disallow a blank value.. this did not work. The problem is that the Validating event is only invoked if the text box gets focus. If the user never clicks on the text box, then me error is never displayed. How do I force this validation .. even if text box never gains focus ? Many thanks. Tag: Form level mouse events Tag: 93326
  - 6
    - System.Drawing.Color enumeration Hello all, not sure if this is the correct forum for this, but anyway - how do I alter the alpha channel of one of the System Colors? For example, if I want System.Drawing.Color.Blue, but with an alpha value of 100, how can this be done? Thanks in advance! Tag: Form level mouse events Tag: 93323
  - 7
    - TreeView and SetScrollInfo problem Hi, I have a WinForm with a TreeView and a custom scrollbar that is positioned over (hides) the TreeView's own ScrollBar. I use SetScrollInfo to update the TreeView's ScrollBar to match the changes in the custom scrollbar. The problem is that while the TreeView's ScrollBar does move to match my custom scrollbar, the contents in the TreeView doesn't move at all. Any suggestions? Tag: Form level mouse events Tag: 93322
  - 8
    - Printing the entire UserControl - as is.. Hi, In my windows application, I have a form and I placed an UserControl on the form. I placed lot of edit controls on the UserControl. Is there a way to print the entire UserControl just as it appears on screen? This is something similar to Print Screen functionality, which captures the whole screen as an image. But I want to capture just part of the screen, which is usercontrol. If the usercontrol has scrollbars, I want to include the hidden portion as well in the print functionality. Basically, I want to have a button on the form with a caption "Print Page", that should capture the entire UserControl as an image including any hidden scrollbar region and send it to the printer. Is this possible? Any ideas.. Thanks, Raj Tag: Form level mouse events Tag: 93320
  - 9
    - Add controls to taskbar (like Google Desktop Search box) I was wondering if there's any way to create a toolbar that docks on top of the windows tast bar and shows up in the "toolbars" list. I noticed that Google Desktop Search has an option to add a search box to the taskbar (fully dockable/floating etc), so it looks like it must be possible, but I haven't been able to find a way to do it. The closest I came was a sample ApplicationBar, but this could only dock over top of the taskbar, not "inside" it. Ideally, I'd like to create something similar to what GDS has, which is selectable from the context menu, and which can be used in either a "docking" or "floating" mode. Is there any way to do this? Thanks in advance for your help! Chris Tag: Form level mouse events Tag: 93319
  - 10
    - ClickOnce server deployment for Intranet App I am trying to use ClickOnce Deployment technology. I have published it on my System(Test Machine) and it works great. Now I want to put it on the main web server which I cannot access from my machine. So I copied the files from the Inetpub\wwwroot\ directory to the main server . But when I run it from the main webserver it tries to run from where I made it(test machine). My question is, what I have to do to run it/deploy it to different machine. We need to put it on our client intranet server also and they all have different server name. Thanks in advance. Mike Tag: Form level mouse events Tag: 93313
  - 11
    - Showing form without activation... HELP Hi, I have modal form which I am showing with some fading effect... (it is like balloon that comes when you receive a mail in the outlook.) But when I show this form, Owner form looses focus. I searched across net & I came across ShowWindow API, It seems working for me ... but the fading effect is not working.Can you please suggest me some way so that I will be able to show my modal form using ShowDialog and Still it is deactivated when it is loaded... please help... Tag: Form level mouse events Tag: 93311
  - 12
    - Datagrid Freeze Pane Is there a way to freeze one of the columns in the Datagrid for windows forms similar to excel. Basically I need to freeze a pane when a user scrolls horizontally in a windows datagrid. Thanks, Tag: Form level mouse events Tag: 93308
  - 13
    - ComboBox autofiltering items - using RowFilter Hi guys! I need a help from you. I would like to do an autofiltering ComboBox. There is a ComboBox as DropDown style and its items come from a DataView. Well, when user types on that control (Text property) it should filter the rows inside using the DataView.RowFilter property and, in the same time, shows to user its items (DroppedDown = True) already filtered. I've tried the following: Private Sub ComboBox1_KeyUp(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles ComboBox1.KeyUp Dim strRowFilter As String strRowFilter = String.Concat("Name LIKE '%", ComboBox1.Text, "%'") DataView1.RowFilter = strRowFilter ComboBox1.DroppedDown = True End Sub As you can see, when the users types on ComboBox's Text property the event KeyUp is raised. Then, its Text content becames a Filter string, eg. "John" goes "Name LIKE '%John%'" and that string to RowFilter. My solution for this issue isn't working. When I type the Text I can se the items but for just the first letter. Thanks in advance. Tag: Form level mouse events Tag: 93306
  - 14
    - any one who knows some website about the socket with cshap.net ? I want to learn socket programing in .net ? any documents about this ? Tag: Form level mouse events Tag: 93304
  - 15
    - Crystal Report After Export Load report failed Dear all, I encounter a problem with Crystal Report from Visual Studio which is "CrystalDecisions.Windows.Forms.CrystalReportViewer". The problem is, whenever I export a report to PDF,Excel and etc. it export successfully, but when I click on the other report to try to view the report it prompt "Load Report Failed". This error only occurs after exported a report. Please help. Thanks in advance. Cheers, Mae Tag: Form level mouse events Tag: 93301
  - 16
    - Get rows as shown on DataGrid (WYSIWYG) Hi, How do I get DataGrid to return all the rows that are currently displayed on the screeen as seen by the user (WYSIWYG). The main requirement is the users can scroll up-or-down the grid, and refresh (retrieve the latest data from the database) the rows as seen by them by clicking a "Refresh Shown Rows" button. However they do not want to select any particular row (therefore I am unable to use any of the "Selected" functions). The DataGrid is binded to a DataView, which in turn is binded to a DataSet. The DataGird has a fixed height, showing 12 rows at any time. Therefore at any point of time I just need to refresh the 12 rows as seen by the user. Pls kindly advise. TQ. Tag: Form level mouse events Tag: 93297
  - 17
    - RTF Text Box for a TreeNode? I would like to have an RTF Text Box displayed as a Tree Node. I was wondering if that has been done before. Basically I need to display some formatted XML and the normal string display of the TreeNode doesn't seem to handle it. Thank you. Kevin Tag: Form level mouse events Tag: 93296
  - 18
    - Windows HAndles C# to C++ I would liek to create a window in C# and pass the handle and the hInstance to an unmanaged c++ dll for some DirectX stuff. I have many iterations and get nowhere. The HWND gets an null reference exception. The HINSTANCE in the C++ is not the same as the C# instance. Anyway here was the latest C++ __declspec(dllexport) void CvpCSILibApp::setWnd(HWND win); __declspec(dllexport) void CvpCSILibApp::setHI(HINSTANCE win); in the C# Wrapper DSWrapper System.IntPtr p=Marshal.GetHINSTANCE(System.Reflection.Assembly.GetExecutingAssembly().GetModules()[0]); DSWrapper.setHI(p); and DSWrapper.setWnd(myWin.Handle); Any Help? John [ DllImport("vpCSILib.dll")] public static extern void setWnd(System.IntPtr wnd); [ DllImport("vpCSILib.dll")] public static extern void setHI(System.Int32 wind); In the C# implementation: Tag: Form level mouse events Tag: 93294
  - 19
    - Interfaces with vb2005 project Hi, I am developing a windows project. In one of my form I have few procedures and functions. Everything is working great. Now I am told to do it through interfaces, means create a interface class and then implement it. I am little concern doing it. 1. Do we really have to create a interface when we have to implement it ONLY in one class nowhere else. 2. Are there any performance issues when we are using interfaces methods instead of method with not interfaces implement. Also I want to know when is the right time to use Interfaces. Thanks in advance, Mike Tag: Form level mouse events Tag: 93291
  - 20
    - VSTO modal form question Hello I'm working on a Microsoft Word VSTO (Visual Studio Tools for Office) project (2003). The 'host' Word document has a custom command button which brings up a Windows Form via the following (C#) code private void RunScript_Click( Office.CommandBarButton Ctrl, ref Boolean CancelDefault ) { __pyScriptForm = new PyScriptForm( this.ThisApplication ); __pyScriptForm.Show(); } where 'ThisApplication' is of type /Microsoft.Office.Interop.Word.Application/. This form is used to run scripts written in Python, capture their 'StdOut', and write it to the underlying document. This works as I want - as the script runs, the output appears on the document below. However, I think it would be preferable if the form were shown modally - the document shouldn't be accessible while a script is running, and there's a Cancel button on the form that will stop the script. But if I do this ( with ShowDialog rather than Show ), then the written output doesn't show up until the Form is closed. It's more satisfactory if you get the data appearing right away. Can I have my cake and eat it with this - ie. have a modal form, but also see the script output? TIA G.F. Tag: Form level mouse events Tag: 93289
  - 21
    - Windows Form Designer Formatting I use the designer in Visual Studio .NET 2003, and I really don't like the way it automatically generates some things. For example, I don't like the extra bloat of everything having System.Windows.Forms when it's alread imported. I know there are situations where it can cause naming collision, but those don't apply here and I want to do away with the qualified namespace name. Any thoughts? Tag: Form level mouse events Tag: 93285
  - 22
    - SplitContainer Question I dropped a split container onto a form, it's vertical and I can see the splitter bar OK and move it left to right. Then I dropped another split container in the right panel (panels2) of the first splitcontainer set it to horizontal. When running the app the application splitter bar of container2 in Panel2 of Container 1 is not visible.I can drop controls on the two panels of container2, but I can't resize the panels of panel 2 because the separtion line between the two doesn't show when running the program. What do I have to do to have the second container's panels be resizable? Thanks for any help. Bob Tag: Form level mouse events Tag: 93276
  - 23
    - PropertyGrid Mouse-Events Why do I not get Mouse-Events like MouseClick, MouseUp or MouseDown from the PropertyGrid? Tag: Form level mouse events Tag: 93272
  - 24
    - Cusomt controls no longer showing up in the toolbox - 2005 RC1 problem Hi, I have created several libraries of windows form custom control written using Visual Studio 2005 Beta 2. I recently upgraded to RC1. The problem: When building the solution in Beta 2, the toolbox would automatically update by adding all custom controls from all projects found within my solution. In RC1 this is no longer the case. Custom controls simply do not show up. Even if AutoToolboxPopulate is true. Anyone had this problem and found a solution? Any help would be greatly appreciated. Thanks, ...Marc Tag: Form level mouse events Tag: 93271
  - 25
    - DrawString calls inconsistant in Paint Handler! Hi, I am using Graphics.DrawString in the paint handler of a label. The text comes up and behaves as expected on all events such as resize of the lable control. The problem is when i move a messagebox/ another application( say notepad ) across the lable. In this case a clean repaint of the text fails to appear. The text gets drawn erratically or altogether disappears. What could i be missing out on in this code. I tried inheriting from System.Windows.Forms.Label and overriding the onpaint method with same results. I had also tried having the usercontrol as UserControlStyles.UserPaint. I was trying to avoid having to create the Graphics object for the lable in the main form as this is not advisable; but i tried that also with even worse results. Any help to get me have the paint handler working properly would be greatly appreciated. Regards, //code snippet private void lblMessage_Paint(object sender, PaintEventArgs e) { if( lblMessage.Text != "" ) lblMessage.Text = ""; Graphics g = e.Graphics;// Graphics.FromHwnd( this.Handle ); //g.SmoothingMode = SmoothingMode.AntiAlias; StringFormat sf = new StringFormat(); sf.Trimming = StringTrimming.EllipsisCharacter; sf.Alignment = StringAlignment.Center; sf.LineAlignment = StringAlignment.Center; sf.FormatFlags = StringFormatFlags.LineLimit | StringFormatFlags.FitBlackBox | StringFormatFlags.NoClip ; g.DrawString ( strText, this.Font, Brushes.Black, new RectangleF( g.VisibleClipBounds.Location, g.VisibleClipBounds.Size), sf ); } Tag: Form level mouse events Tag: 93270
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  - 1
    - PropertyGrid KeyProcessing Hello, Can someone from MS tell me, how the key-processing in the PropertyGrid(or Controls in general) works? How are the functions ProcessCmdKey, ProcessDialogChar, ProcessDialogKey, ProcessKeyEventArgs, ProcessKeyMessage, ProcessKeyPreview, ProcessTabKey, IsInputChar, IsInputKey affected? When will they be called? Which function of which control calls them? What parameters will be passed to the functions? ... A diagram with the parameter/message flow and function-call-tree with notes would be nice! I want to show a PropertyGrid on a transparent form. If ESC is pressed the form should be closed with DialogResult.Cancel. If ENTER is pressed and the no Control in the PropertyGrid (TextBox, ComboBox,...) is active the form should be closed with DialogResult.OK Tag: Form level mouse events Tag: 93269
  - 2
    - Multithreaded Panel Visiblility Hi everyone, I've got myself a C# .NET 1.1 application I'm making where a docked Panel that contains some progress bars etc. is being toggled between Visible and not. Basically a user drags some photos into the window and it activates a background thread that shows the panel, does some work, and hides it again. If this is not in a separate thread, it works! I've tried doing a manual Update(), and PerformLayout() calls, but nothing works. The thread work happens, but the panel never shows. I've also tried Application.DoEvents(). private void itemImages_DragDrop(object sender, System.Windows.Forms.DragEventArgs e) { ArrayList formats = new ArrayList(e.Data.GetFormats()); if(formats.Contains(DataFormats.FileDrop)){ //imageImportFiles = (string[])e.Data.GetData(DataFormats.FileDrop); imageImportFiles.Clear(); imageImportFiles.AddRange((string[])e.Data.GetData(DataFormats.FileDrop)); imageImportThread = new Thread(new ThreadStart(this.importImages)); imageImportThread.Start(); } } private void importImages(){ imageImportPanel.Visible = true; imageLoadProgress.Maximum = imageImportFiles.Count; imageLoadProgress.Value = 0; ArrayList imageFiles = new ArrayList(); foreach(string filePath in imageImportFiles){ importDirectory(filePath, imageFiles); } imageLoadProgress.Maximum = imageFiles.Count; imageLoadProgress.Value = 0; foreach(string filePath in imageFiles){ string label = getFileName(filePath); Image img; int imgId; ListViewItem item; imageImportStatus.Text = String.Format("Importing {0}... ({1} of {2})", label, imageLoadProgress.Value+1, imageLoadProgress.Maximum); Application.DoEvents(); try{ img = Image.FromFile(filePath); }catch(Exception){ continue; } imgId = itemImageList.Images.Add(img, Color.Transparent); item = itemImages.Items.Add(label, imgId); imageLoadProgress.Value++; } imageImportPanel.Visible = false; } Tag: Form level mouse events Tag: 93268
  - 3
    - Dragging icons in a ListView Hi, I still cannot believe there isn't a standard property (or set of properties) that would allow me to drag, move and rearrange icons in a standard ListView .net control! I was trying different combinations of properties (like AutoArrange = False, and many others...), but it looks like it does not work unless you handle some of the events (OnBeginDrag etc...). It would seem natural to think that such a basic functionality would be provided via standard property, but so far I have not found a way... Does anyone know a way to do this by settings without having to write code? Thanks, Ivan Tag: Form level mouse events Tag: 93266
  - 4
    - MDI form question. I have a MDI container form that l load client forms into. When I set the FormBorderStyle to None before calling show on the client form, I can resize the container form and if there are unseen areas of the child, it shows the horizontal and vertical scrollbars (that's fine). However, I want the FormBorderStyle set to Sizable so that I can treat them like Excel workbooks and minimize, maximize, and move around however I want. So I set FormBorderStyle to Sizable and the child's windowstate is set to maximized. The PROBLEM is that when the container form is sized to a smaller size so that the child form has unseen areas, there are no scrollbars and you cannot get to those unseen areas of the child without restoring down the child. That is similar to Excel, except in Excel when the workbook is maximized and the container is smaller than the workbook, there are scrollbars available so that you can get to the unseen areas of the child. How can I duplicate how Excel handles this? Tag: Form level mouse events Tag: 93264
  - 5
    - VB2005 Project with Source Safe Hi, I want some expert's advice. Two ways we can use source safe. 1. Use Souce Safe explorer and Check In / Check Out from there 2. Add Project to source safe and do Check In/ Check Out from from Visual Studio solution explorer. I want to know which one is better to use or most commonly used and why. Thanks, Mike Tag: Form level mouse events Tag: 93261
  - 6
    - ClickOnce Server Name Hi, So far we were using No Touch Deployment (Framework 1.1) to run the application. Using No Touch Deployment when we run command Application.ExecutablePath it gives the full url from where the application executed. Like http://ServerName/CompanyName/Application.exe. Now we are trying to use ClickOnce Deployment Technology. Everything works great. But, when we run the command Application.ExecutablePath or Application.StatupPath it gives local temp directory path.(where it installed the application). My question is how do I get the full url or the server name from where it downloaded the files. Thanks in advance, Rob Tag: Form level mouse events Tag: 93259
  - 7
    - Freezing datagrid columns I'd like to set up a datagrid so that, when the user scrolls right, the first column (I'm only after one column at the moment, a method that coped with multiple columns would be nice) remains where it is. i.e. similar to the freeze panes command in Excel. I've seen that lots of people have posted this question in the past, but I haven't seen an answer. I've tried Ken Tucker's ColoredGridColumn class but it doesn't work for me. I've seen the idea of using two datagrids side by side but can't figure out what I'd need to do to override the events of the vertical scroll bar on the right hand grid so that it automatically applied to the left as well. At the moment, my thought is just to completely remove the scroll bars and replace with left and right buttons where 'right' will just remove from the column style collection, and 'left' will add back in, but that is obviously a non-standard UI so I'd rather not do it that way. Anyone have any details of a good way to do this? Tag: Form level mouse events Tag: 93258
  - 8
    - How to display sub-object property in a DataGrid? I have two classes, say A and B. Class A has a property of type B. For example: class A int ID B SubObject class B string Name I bind my DataGrid to class A. I want to display B's Name property. I have code like: DataGridTextBoxColumn col1 = new DataGridTextBoxColumn(); col1.MappingName = "SubObject.Name"; // this does not work How to I tell the DataGrid to display a property from a sub-object of class A? I saw this question asked a few times on the Net, but never had an answer. Maybe it's not even possible... Thanks. Tag: Form level mouse events Tag: 93252
  - 9
    - Tab Control and Combo Box (bound) I have a combo box that is on a tab page in the tab control. The combo box is bound to a dataset - I already know about the problem of having to set the selected index twice to set it at -1. At runtime, when I go to another tab page, the selected index is still at -1, but when I go back to the first tab page where the combo box is, the selected index of the combo box is set back to 0, and there is text in the combo box. The SelectedIndexChanged event does NOT fire. Does anybody have a workaround for this? Tag: Form level mouse events Tag: 93250
  - 10
    - SaveAs with WebBrowser Control Hi I have used WebBrowser control and i want to save the entire webpage including pictures etc. I am using ExecWB method of WebBrowser control with OLECMDEXECOPT_DONTPROMPTUSER flag (as in folowing statement) ie.ExecWB(OLECMDID.OLECMDID_SAVEAS, OLECMDEXECOPT.OLECMDEXECOPT_DONTPROMPTUSER,ref Outfile, ref _null); , but it opens a SaveAs dialog box. Also, if I click on Save, the page is saved without the images and other resources. I want automatically save the webpage without using save as dialog box. Does anybody know how to get this done. Thanks in advance. Regards, Abhishek Tag: Form level mouse events Tag: 93238
  - 11
    - Controls moving down Sometimes, after saving the form in VB.Net Form Designer, I see the controls inside a group box moving down. All the forms are inherited from a simple base form, which contains a label and a toolbar on the top. The form's borderstyle is sizable. Any ideas? Thanks in advance for your help Alfio Finocchiaro http://www.studiotecnia.com Tag: Form level mouse events Tag: 93237
  - 12
    - OnPaintBackground vs. Scrollbar Hi, I have a user painted backgrounf form. When form has got a scrollbar I run into trouble with drawing. I get the ClipRectangle in the EventArgs. It is depends on the graphics face, not the virtual (I mean that if I have a from with 400px of height and have a control at 600px and I scroll to the control I will get a ClipRectangle with Y like 25px, not 575px with 200px height). Even I cannot ask the virtual clientsize of the form, only the displayable face through Form.ClientSize. There is a PrefferedSize property, but it gives the form.Height value, not the ClientHeight... So I have determine the "border" of the form... But even complicated with scrollbar... So the real question is: Do I miss something or missunderstood with OnBackground paint + ClipRectangle + Scrollbar.Value and Scrollbar.Maximum (which does NOT gives the PrefferedSize.Height if it is the VScrolllbar.Maximum property)? Or what is the nice solution to handle the scrollbar value and draws the exact face of the background (if the face of the background as big as the virtual size of the form)? Thanks. lelez ----------------------------------- http://www.lelez.hu http://www.csitcset.hu ICQ: 177465172 Tag: Form level mouse events Tag: 93236
  - 13
    - How can I have only one instance of a Windows form application I recall from MFC that one could arrange to have only one instance of an application running. I there a way to have only one instance of a C# Windows Form application running under a user logon? The idea is to have only one process running the application at any time. Tag: Form level mouse events Tag: 93232
  - 14
    - Add satellite assemblies to a signed assembly??? Hi all! Is it possible to add a satellite assembly containing resources with localized strings to an existing assembly that has been signed with a unknown private key? My problem: I have a third party product with Windows Forms controls that uses resource files. There are however no resource file for Swedish included. So would it be possible to create a resource file with the Swedish translation, compile it to a satellite assembly and have the third party assembly (that is signed with an unknown private key) use my new resource file? (Note: I'm not interested in sending my translations to the third party manufacturer and ask him to sign my satellite assembly) Maybe it is impossible for security reasons??? Or could there be some nice solution to this problem? Question 2: Lets say that I'm about to create a WindowsForm gui controller that I would like to distribute in a signed assembly. Then I would like the users to be able to create their own recourse-files (with their own translations). What must I do to accomplish this? Regards /Stefan Tag: Form level mouse events Tag: 93228
  - 15
    - track app activation I want to know wether the application is active or not. I have inspector/tool windows, not attached to a particular window. and I want to hide/show them wether or not my aplication is active. I've tried to setup an IMessageFilter listening for: const int WM_ACTIVATEAPP = 0x001C; but it's never dispatched! (in the IMessageFilter) Any other suggestion? -- Regards, Lloyd Dupont NovaMind development team NovaMind Software Mind Mapping Software <www.nova-mind.com> Tag: Form level mouse events Tag: 93219
  - 16
    - Invisible combobox. I set up a combobox with Visual Studio 2003 and it generated the following code: // // serverComboBox // this.serverComboBox.DropDownWidth = 121; this.serverComboBox.Items.AddRange(new object[] { "AllServers", "1Server", "2Server", "3Server"}); this.serverComboBox.Location = new System.Drawing.Point(136, 16); this.serverComboBox.Name = "serverComboBox"; this.serverComboBox.Size = new System.Drawing.Size(121, 21); this.serverComboBox.TabIndex = 0; The problem is that the items are not displayed in the drop down. If I select the second item then the combo box text seems to get set to the right value (in this case "1Server" but I don't see any of the items that I am to select until it is selected and the combo box text is set to the selection. How can I enable the viewing of the combo box items? Thank you. Kevin Tag: Form level mouse events Tag: 93217
  - 17
    - passing sql server 2000 values with visual basic.net In a visual basic.net 1.1 windows application, I need to pass required and optional values from a sql server 2000 table for a windows application to process. Each of the 250 columns in the sql server 2000 database table are options on how a windows application with process. The user will pick all the options they want and then hit a submit button. I am trying to decide how to pass all these options to the business logic layer that will do the acutally processing. Each row in the sql server 2000 database contains the 250 optional ways for processing. Would it be better to pass these values in a collection, struct, serialization, and/or some other way? Would you show me some code and/or url on how to accomplish this task? Tag: Form level mouse events Tag: 93216
  - 18
    - Plugin Architecture Question - Best Practice For Forms Update Plugin Architecture Question - Best Practice For Forms Update I have an application that follows a simple plugin architecture. Yes, it is my first plugin app, so please bear with me. There is an interface defined, and followed by the host exe and plugin (or client) dll. The plugins reach out into the world and get bits of information (stock prices, new mail, disk space, rss feeds... whatever) these bits of information end up as treenodes in a treeview in the host app. My question is: When a plugin is ready to deliver updated content, say perhaps by use of a timer, what is the preferred way of notifying the host app? (assuming that my plugin will be in a seperate thread) Should I pass a reference to the form? Do I raise an event? I know that you should operate on winforms in the originating thread only , so they don't play well with refreshes sent from timer threads (or any other thread). I am able to use invoke to get around a few things, but I was hoping to find a simpler solution, and wanted to hear some opinions. Tag: Form level mouse events Tag: 93215
  - 19
    - Dragging and rearranging images in a ListView control Hi I am trying to use a ListView control displaying large icons in a View = LargeIcon. I want to be able to move around the displayed icons with the mouse by dragging the icon within the ListView and rearanging them. I was trying this by playing with different properties in the ListView control itself or with the Items properties and the elements of the ImageList. However, I could not find a properties combination that would allow me to do this. Is there such an out-of-the box functionality in the ListView control, or do I need to handle events (Drag-related) in order to implement this? Thanks a lot, Ivan Tag: Form level mouse events Tag: 93213
  - 20
    - Problem with DataGrid and an array Hi, I'm binding an array to a DataGrid. I only want some of the array's data to show up. So I used DataGridTableStyle and DataGridColumnStyle. But whatever I tried, my DataGrid shows all of the array's data, and non of my custom settings seems to be working at all. Are DataGridTableStyle and DataGridColumnStyle only for DataTable? My code looks somewhat like: DataGridTableStyle ts1 = new DataGridTableStyle(); ts1.MappingName = null; ts1.AlternatingBackColor = Color.LightGray; // Column 1 DataGridColumnStyle col1 = new DataGridTextBoxColumn(); col1.MappingName = "Name"; col1.HeaderText = "Name header"; col1.Width = 200; ts1.GridColumnStyles.Add(col1); // Column 2 DataGridColumnStyle col2 = new DataGridTextBoxColumn(); col2.MappingName = "tel"; col2.HeaderText = "Tel header"; col2.Width = 500; ts1.GridColumnStyles.Add(col2); this.DocumentsGrid.TableStyles.Clear(); // probably not needed this.DocumentsGrid.TableStyles.Add(ts1); MyClass[] myArray = BusinessClass.GetItems(); this.myDataGrid.SetDataBinding(myArray, null); Thanks. Tag: Form level mouse events Tag: 93212
  - 21
    - SelectedIndexChanged not firing on mouse click I'm running into a strange problem (or at least it seems strange to me). I have a standard list box (System.Windows.Form.ListBox) on a form and I'm trying to trap for activity on the SelectedIndexChanged event. It works fine if you change the selected item via the keyboard (arrow keys), but if you click on a different item, the SelectedIndexChanged event is not getting fired. Has anyone else experienced this weird behavior? If so, is there a solution? Or am I just looking in the wrong place and should be concentrating on a different event? Thanks! evan stone | software engineer ---------------------------------------- santa rosa, ca, usa Tag: Form level mouse events Tag: 93211
  - 22
    - Click location Hi, Let's say you have a textbox or a label with some text in it. Let's say someone clicks on it. Is there any way to tell if they clicked just on the text in the control, or in white space that in the control if the control is wider then the text it contains? Tag: Form level mouse events Tag: 93209
  - 23
    - MainMenu disappears Hello, I'm trying to add a MainMenu to a form. I add it and it shows up, I create my items but if I click anywhere else on the form, the menu disappears. I have to click it at the bottom of the Design form and it will show back again until I click on anything else in the form. More importantly it doesn't show up when I compile and run the code. All I have on the form is several text boxes and a datagrid. I created a new form in this project and don't have a problem. I've tried matching up it's properties with the form I'm having problems with and I can't find any differences. Any ideas??? -- kris@<Remove This Before Emailing>n-sv.com Network & Software Integration www.n-sv.com Tag: Form level mouse events Tag: 93208
  - 24
    - .NET 2.0 problem with owner drawn listview Ok whats going on here... got a couple problems... this is relevant now to this group since .NET 2.0 is finally RTM 1) draws really slow when making it a large form (resizing speed is jerky) to a res from 100x100 to 1280x1024 once it gets above 500x500 it starts jerking you can see the screen refreshing as it paints 2) sometimes the background selection when you select multiple items then move the mouse around on the screen dissapear (turn white) mainly column 0 background 3) the focus selection rectangle is black only, it should be inversed of the selection color shouldnt it? so it would stand out, when its not owner drawn and the selection color is dark blue the focus rectangle draws yellow, in owner drawn it draws black and is impossible to see on a dark background here is my example code.. (all images in image list are 16x16 PNG images with very little transparent alpha channel pixels) <Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _ Partial Class Form1 Inherits System.Windows.Forms.Form 'Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub 'Required by the Windows Form Designer Private components As System.ComponentModel.IContainer 'NOTE: The following procedure is required by the Windows Form Designer 'It can be modified using the Windows Form Designer. 'Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.components = New System.ComponentModel.Container Dim resources As System.ComponentModel.ComponentResourceManager = New System.ComponentModel.ComponentResourceManager(GetType(Form1)) Me.ListView1 = New System.Windows.Forms.ListView Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader Me.ColumnHeader3 = New System.Windows.Forms.ColumnHeader Me.ColumnHeader4 = New System.Windows.Forms.ColumnHeader Me.ColumnHeader5 = New System.Windows.Forms.ColumnHeader Me.ColumnHeader6 = New System.Windows.Forms.ColumnHeader Me.ImageList1 = New System.Windows.Forms.ImageList(Me.components) Me.SuspendLayout() ' 'ListView1 ' Me.ListView1.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3, Me.ColumnHeader4, Me.ColumnHeader5, Me.ColumnHeader6}) Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill Me.ListView1.FullRowSelect = True Me.ListView1.Location = New System.Drawing.Point(0, 0) Me.ListView1.Name = "ListView1" Me.ListView1.OwnerDraw = True Me.ListView1.Size = New System.Drawing.Size(627, 412) Me.ListView1.SmallImageList = Me.ImageList1 Me.ListView1.TabIndex = 0 Me.ListView1.UseCompatibleStateImageBehavior = False Me.ListView1.View = System.Windows.Forms.View.Details ' 'ColumnHeader1 ' Me.ColumnHeader1.Name = "ColumnHeader1" ' 'ColumnHeader2 ' Me.ColumnHeader2.Name = "ColumnHeader2" ' 'ColumnHeader3 ' Me.ColumnHeader3.Name = "ColumnHeader3" ' 'ColumnHeader4 ' Me.ColumnHeader4.Name = "ColumnHeader4" ' 'ColumnHeader5 ' Me.ColumnHeader5.Name = "ColumnHeader5" ' 'ColumnHeader6 ' Me.ColumnHeader6.Name = "ColumnHeader6" ' 'ImageList1 ' Me.ImageList1.ImageStream = CType(resources.GetObject("ImageList1.ImageStream"), System.Windows.Forms.ImageListStreamer) Me.ImageList1.TransparentColor = System.Drawing.Color.Transparent Me.ImageList1.Images.SetKeyName(0, "Script-2.png") Me.ImageList1.Images.SetKeyName(1, "About.png") Me.ImageList1.Images.SetKeyName(2, "Clock.png") Me.ImageList1.Images.SetKeyName(3, "Debug-Watch.png") ' 'Form1 ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(627, 412) Me.Controls.Add(Me.ListView1) Me.Name = "Form1" Me.Text = "Form1" Me.ResumeLayout(False) End Sub Friend WithEvents ListView1 As System.Windows.Forms.ListView Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader Friend WithEvents ColumnHeader3 As System.Windows.Forms.ColumnHeader Friend WithEvents ColumnHeader4 As System.Windows.Forms.ColumnHeader Friend WithEvents ColumnHeader5 As System.Windows.Forms.ColumnHeader Friend WithEvents ColumnHeader6 As System.Windows.Forms.ColumnHeader Friend WithEvents ImageList1 As System.Windows.Forms.ImageList End Class Public Class Form1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load For i As Integer = 0 To 400 Dim lvitem As New ListViewItem With lvitem .Text = "test" .SubItems.Add("1") .SubItems.Add("2") .SubItems.Add("3") .SubItems.Add("4") .SubItems.Add("5") End With Me.ListView1.Items.Add(lvitem) Next End Sub Private Sub ListView1_DrawColumnHeader(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawListViewColumnHeaderEventArgs) Handles ListView1.DrawColumnHeader e.DrawDefault = True End Sub Private Sub ListView1_DrawSubItem(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawListViewSubItemEventArgs) Handles ListView1.DrawSubItem e.DrawBackground() If (e.ItemState And ListViewItemStates.Selected) <> 0 Then e.Graphics.FillRectangle(Drawing.SystemBrushes.ActiveCaption, e.Bounds) e.DrawFocusRectangle(e.Bounds) e.Graphics.DrawString(e.Item.Text, Me.ListView1.Font, Drawing.SystemBrushes.HighlightText, e.Bounds.X, e.Bounds.Y) Else e.Graphics.DrawString(e.Item.Text, Me.ListView1.Font, Drawing.SystemBrushes.WindowText, e.Bounds.X, e.Bounds.Y) End If If e.ColumnIndex = 3 Then e.Graphics.DrawImage(Me.ImageList1.Images(2), e.Bounds.X, e.Bounds.Y) End If End Sub End Class Tag: Form level mouse events Tag: 93205
  - 25
    - Copy/Paste of a Winform in VS 2005 Hi there, I select a Winform (.cs file) on the Solution Explorer and right-click "Copy", then I paste the WinForm on the same project. I rename the new .cs file and then I rename the Winform object itself using the designer's properties side bar. The problem is that VS 2005 also renames the original Winform object in the original .cs file, wreaking havoc the next time I compile. Â¿Any ideas to avoid this? Any help is appreciated. Regards, -Benton Tag: Form level mouse events Tag: 93203

I'm finding that form-level mouse events are not being fired when the mouse
is over any control within the form. Is there any way to enforce this ? I
want generic MouseLeave and MouseMove events that fire on the form even when
the mouse is over controls within the form (and even if these controls
themselves have a MouseMove event, I'd want BOTH to be fired).

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Re: Form level mouse events by Atul

Atul
Tue Oct 18 09:57:31 CDT 2005

You can subscribe to the MouseMove and MouseLeave events of every child
control of the form to achieve this.

----------------
-Atul, Sky Software http://www.ssware.com
Shell MegaPack For .Net & ActiveX
Windows Explorer GUI Controls
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----------------

"JezB" <jezbroadsword@blueyonder.co.uk> wrote in message
news:%2308bQb90FHA.736@tk2msftngp13.phx.gbl...
> I'm finding that form-level mouse events are not being fired when the
> mouse is over any control within the form. Is there any way to enforce
> this ? I want generic MouseLeave and MouseMove events that fire on the
> form even when the mouse is over controls within the form (and even if
> these controls themselves have a MouseMove event, I'd want BOTH to be
> fired).
>

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