Disable node selection of a treeview

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  - 1
    - TreeView expand problem Hello I'm trying to implement 'in place' node adding to treeview. Ie, user requests new item and it appears in treeview reade to edit. I have this C# code: if (treeView1.SelectedNode != null) { TreeNode node = treeView1.SelectedNode; node.Nodes.Add(""); node.Expand(); node.Nodes[node.Nodes.Count - 1].EnsureVisible(); treeView1.LabelEdit = true; node.Nodes[node.Nodes.Count - 1].BeginEdit(); } It works well if a node I'm adding subnode already has some nodes. It does not work if node I'm adding subnode has no subnodes yet: after node.Expand(), node.Nodes is empty :( (ie node.Nodes.Count == 0). What is wrong here? -- Semper Fidelis Adam Klobukowski atari@gabo.pl Tag: Disable node selection of a treeview Tag: 85278
  - 2
    - form load Hi all, In my form load, I load a datagrid with a fair amount of data. So when I click on the button that creates the form I show the wait cursor but it looks like the program has hung the button stays in and it looks like it isn't doing anything until it has loaded all the datagrid etc... Is there a way in which when the toolbar button is pressed I refresh the button, show the form first then I can put "loading data" in the status bar (or even a progress bar in the status bar also) then finally load the datagrid? I think in C++ this was called ProcessMessages but I cannot see this in c#. Thanks for the help Regards Gav Tag: Disable node selection of a treeview Tag: 85272
  - 3
    - ToolBar XP-Style - NewBie Hi all I am new to this NG .... I want to build a complete Toolbar Control Using C#, I want to know from where to start ... I have done this before using Windows API's in my PowerBuilder development I appreciate any Imputes, Resources and Ideas ... Note : Using C# Waleed Seada Tag: Disable node selection of a treeview Tag: 85270
  - 4
    - PropertyGrid - Internet Explorer hosting problem Hi, I have created a Windows UserControl. This Control hosts a PropertyGrid and a Button control. The UserControl project also includes a class called "TestClass" and a custom TypeConvertor class called "DDConv". When the user clicks on the Button control, the application assigns an instance of "TestClass" to the PropertyGrid. The "TestClass" has a property called "CustProp" and it has an TypeConverter attribute assigned to the "CustProp" property. The TypeConvertor points to the "DDConv" class. The PropertyGrid in the UserControl displays a DropDown against the "CustProp" property when the UserControl is hosted in a windows application. When the UserControl is hosted in Internet Explorer, the PropertyGrid does NOT SHOW any DropDown for the "CustProp" property. NOTE: I test the UserControl in Internet Explorer from a virtual directory on my machine. I have set "FullTrust" for the "LocalIntranet_Zone" on my machine. I want the PropertyGrid to display the DropDown in Internet Explorer - can someone help me in figuring out how to acheive the same? 'TestClass.vb Public Class TestClass Dim _name As String Dim _ddProp As String Public Property Name() As String Get Return _name End Get Set(ByVal Value As String) _name = Value End Set End Property <System.ComponentModel.TypeConverter(GetType(DDConv))> _ Public Property CustProp() As String Get Return _ddProp End Get Set(ByVal Value As String) _ddProp = Value End Set End Property End Class 'DDConv.vb Public Class DDConv Inherits System.ComponentModel.StringConverter Dim _values As String() Dim _restrictToList As Boolean Public Sub New() _values = New String() {"Yes", "No"} End Sub Public Overloads Overrides Function GetStandardValuesSupported _ (ByVal context As _ System.ComponentModel.ITypeDescriptorContext) As Boolean Return True End Function Public Overloads Overrides Function GetStandardValues(ByVal _ context As System.ComponentModel.ITypeDescriptorContext) _ As _ System.ComponentModel.TypeConverter.StandardValuesCollection Return New StandardValuesCollection(_values) End Function Public Overloads Overrides Function GetStandardValuesExclusive _ (ByVal context As _ System.ComponentModel.ITypeDescriptorContext) As Boolean Return _restrictToList End Function End Class Thanks & Regards, Dhwanil Shah dhwanil.shah@patni.com -- Message posted via http://www.dotnetmonster.com Tag: Disable node selection of a treeview Tag: 85269
  - 5
    - Where is the "Frame" object in VB.NET - URGENT !! Dear All. In VB 6.0 we can palce many controls inside the Frames, Picture Box etc.. Advantage of this, you can easily move all the objects that are placed insdied Pictrue Box or Frames by dragging of "Picture Box" or "Frames" objects. I have placed a Picture Box in my VB.NET Windows Form and kept other controls such textbox, labels etc. inside the "Picture Box". But, the objects that are placed inside the picture box not moving along with "picture box" upon dragging the "picture box". My objective is that I need to put number of controls inside the picture box or frames (frame not found in vb.net) and the "picture box" will be centered upon "Page_Resize" event and alll the objects that are placed inside the "PictureBox" should be moved along with "Picture Box". Kindly help please.... otherwise I need to go back to VB 6.0 !! Regards *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: Disable node selection of a treeview Tag: 85268
  - 6
    - Timer problem Dear All Am using Windows.Forms.Timer control in my application to refresh some graph at a specified interval.This working fine.When I tried to stop timer using Enable property ( by setting Enable = false ), CPU is shooting up to 100% and is control is not returning from the statement which tries to disable the timer. My code is exactly as follows this.m_pRefreshTimer.Enabled = false; //here it's failing //Some clean up operation goes here , but control is not returning from the above statement. Please help me how to get rid of this problem. Thanks in advance. Regards Krishna Tag: Disable node selection of a treeview Tag: 85266
  - 7
    - Custom Control I created a custom control , somthing like TextBox but i don't know how to display a cursor blink? Tag: Disable node selection of a treeview Tag: 85265
  - 8
    - Transparent labels Hi, I have a control of type Panel which hosts other controls of type Label. The user can click on a label and drag it around. It may happen that when a label is dragged it overlaps another label. I want the label on the top to be transparent so I can see the label underneath. Is there a easy way to do it by setting some properties? Thanks, Z Tag: Disable node selection of a treeview Tag: 85261
  - 9
    - Detecting which key has been pressed Hi all, I"m making a small WinForm application in VB.NET. It has 2 textboxes on the form which can only contain numbers > 0. On the right of each textbox there are 2 buttons which when pressed increment or decrement the values in the textboxes. To make the program more user-friendly I want them to be able to press a key on the keyboard which in turn will increment or decrement a value. For example, if they press "a" then TextBoxA will increment, if they press "A" then TextBoxA will decrement. Here's what I've got sofar: Private Sub frm40MMCounter_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles MyBase.KeyPress If e.KeyChar = Chr(65) Then txtA.Text = CInt(txtA.Text) + 1 ElseIf e.KeyChar = Chr(97) Then txtA.Text = CInt(txtA.Text) - 1 End If End Sub I hope someone can help me with this. Thanx in advance! -- Message posted via http://www.dotnetmonster.com Tag: Disable node selection of a treeview Tag: 85260
  - 10
    - Drag N Drop from managed -> unmanaged & vice versa Our product has implementation both in managed & unmanaged code. So also, user interface dialogs are both in managed & unmanaged. Currently, I'm working to support drag & drop across the interop boundaries & am running into some problems with custom data formats. So far, I've discovered that if I create a DataObject in managed code for my custom data format, then on the unmanaged side, I get the DataObject as a COM object. What is the way to extract the actual data from this COM object? I've tried various ways to decipher the COM object, including defining my own unmanaged COM DataObject & calling Marshal.GetObjectForIUnknown to wrap the unmanaged COM object, but so far I haven't been able to figure out the proper way to extract my data correctly on the unmanaged end. I suspect I will run into a similar situation when trying to drag & drop from an unmanaged dialog to a managed dialog. I will appreciate any pointers to resolving this problem. With Regards, Deepak Malkan Bentley Systems. Tag: Disable node selection of a treeview Tag: 85254
  - 11
    - app config limits - patterns&practice needed How does an app config file support roaming users? Isn't the registry still better suited to store app data? my favorite usage pattern are [TAPI based] CTI apps: - there is a country specific part (numbering scheme) - there is a location specific part (hardware device settings like dial tone, getting an outside line...) typically defined by the office's PBX - there is a hardware/PC specific part (the ports connecting the CTI hardware, headset connection), defined by the PC on the desk - there is a provider specific setting like billing data cost computation - there is something personal to the user (my favorite numbers, speed dials, histories) - employees share multiple desks (it's a n:m relation) how does a .NET app config file looks like that handles all those parts automatically as far as possible? so all I want is: I log in and tell the app where I am n(or my phone does this), the app then loads everything automatically. thanks herbert Tag: Disable node selection of a treeview Tag: 85253
  - 12
    - window border disappears Hi, Sometimes when my app goes from maximized to normal via the provided button in the upper right hand corner next to the close button, the window border disappears. By minimizing and restoring the window from the taskbar the border reappears. This isn't a show stopper, just an annoyance. Anyone else have this issue? Tyson Tag: Disable node selection of a treeview Tag: 85252
  - 13
    - menu event questions Hi, I have two questions concerning menu events: 1) I want to share the same handler between three menu items. Can I send menu event with a parameter so that the handler would know who sent it? 2) How can I raise a menu event in my C# code? It should duplicate already existing event that comes from the real menu. I can of cause call the handler directly, but I don't want to interrupt currently executing code. Gregory Khrapunovich Tag: Disable node selection of a treeview Tag: 85245
  - 14
    - Creating a long string This should be so easy it's embarassing, but I've looked & looked on the inet... What's the equivalent in VB .NET of the old Basic String$() function? To create string of 1000 zeros, you'd do a$=string$(1000,0) which you don't seem to be able to do in VB .NET. I thought Dim s As String = Microsoft.VisualBasic.string(1000,0) but it doesn't like it. Surely everyone must know but me! (By the way, has anyone the time to look at my other thread "Deleting from a table via a dataset positioning problem"? I'm still stuck on that, too.) Thanks to any assistor, *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: Disable node selection of a treeview Tag: 85244
  - 15
    - Browse for file and or folder in property grid? Is there a built in type for this or do I need to make my own TypeConverter and UITypeEditor. I just what a button that allows the user to browse for a file. Tag: Disable node selection of a treeview Tag: 85241
  - 16
    - Feeling really dumb...divide by 0 I was just playing around with error handling and put this code on a button Dim sng1 As Single Try sng1 = 1/0 MessageBox.Show(sng1.ToString) Catch ex As Exception MessageBox.Show(ex.Message, ex.TargetSite.Name End Try To my dismay, the divide by zero doe not throw an exception and the message box displays the word Infinity...why is this? I feel really dumb right about now...but what can I say... TIA John Tag: Disable node selection of a treeview Tag: 85240
  - 17
    - Intercept Shift+Tab in Datagrid By overriding the InputKeys and KeyDown methods on the datagrid, I can intercept the Tab. However, this is not the case with the Shift+Tab. What I need to do for this particular datagrid/app is to disable the ability of the user to tab through each cell in the datagrid. Basically, when the datagrid or a cell gets focus and the Tab key is pressed, the focus should go to the next control on the form, instead of to each individual cell. I've got that part working, but when a cell gets focus and Shift+Tab is pressed, I haven't been able to intercept it. I've tried the InputKeys/KeyDown as I mentioned above and have also tried overriding the ProcessCmdKey method but no luck. I was thinking about overriding WndProc but was told that the Shift+Tab happens even before that so haven't tried it as of yet. Anyone done this before? Thanks! -- -------------------------------------------------- Christopher C. Bernholt I.T. Research & Development .NET Re-Engineering Team R & L Carriers, Inc. http://www.gorlc.com -------------------------------------------------- Tag: Disable node selection of a treeview Tag: 85239
  - 18
    - app.config Updates With No-Touch I'm deploying a windows form application using no-touch deployment and Rockford Lhotka's NetRun app. The first time I run the app everything is fine, the config file downloads to the client. But, if I edit the .config file on the IIS server (running MS Server 2003, .Net Fw 2.0), the client doesn't download the new version the next time I run the app. I checked the output of fuslogvw and it says the config file is from the user's temp internet file directory. Its almost like if IE finds the file in the temp dir, it doesn't even bother to check the server for updates. Any Ideas? Tag: Disable node selection of a treeview Tag: 85235
  - 19
    - Problem: The underlying connection was closed: Unable to connect Hello, I'm developing a C# - windows forms application. To get some information for my application, I'm connecting to an URL, wich gives me XML generated using php. With 90% of the users, this code just works fine: [code] WebRequest request = WebRequest.Create(URL); try { request.Timeout = 50000; WebResponse response = request.GetResponse(); } catch(Exception ex) { WriteToLog(LogType.Info,ex.Message.ToString()); response = null; } [/code] But with some users, I get an exception saying: The underlying connection was closed: Unable to connect to the remote server I'm sure that there is no firewall on, and I've asked the user to disable any proxy settings... Is there something that I'm overseeing or that can be improved to this code? thanks in advance, Kristof Tag: Disable node selection of a treeview Tag: 85233
  - 20
    - wrap text in datagrid Hi All, I'am a newbie in .net programming.My requirement is in vb.net on formload i'am filling my datagrid with the columns from table.but i wan't the values to be wrapped on loading so that i need not drag the columns in the grid to see the value.please help. *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it! Tag: Disable node selection of a treeview Tag: 85232
  - 21
    - Refresh on form startup My form startup implements some logic that takes a little while, but my form isn't showing fully until it has all finished. I write progress messages to a label and also update a progressbar, and even with Refresh() calls only a "skeleton" of the form is displayed until all logic is complete. How can I do this properly ? Tag: Disable node selection of a treeview Tag: 85226
  - 22
    - Starting out Hi, I've just started using Windows Forms, .NET and C#. I have Visual Studio 2005 Express Edition and I am looking to develop an application to consume the Amazon SOAP web service (fetching product information based on ISBN etc). Visual Studio creates form and program C# files and everything appears quite straightforward in creating a user interface (drag and drop etc). However I'm unsure how to structure my application. Does the form C# (Form.cs) represent a single form or should it represent the entire UI? I would like to use multiple forms and pop-up dialog boxes. Also, I guess the program C# (Program.cs) class should be used to implement the business logic (e.g. web service access etc) and reference the UI class (Form.cs)? I would appreciate any feedback and advice on how to get started. Thanks, MB Tag: Disable node selection of a treeview Tag: 85217
  - 23
    - how do i minimize window... Hi, i am developing a windows form application. Basically i want to the form to appear as an icon at the taskbar near the volume control (i mean in that taskbar) when i minimize. And on click of it it has to show some menutions like other applications on that taskbar do. How can i achieve that in c#? Tag: Disable node selection of a treeview Tag: 85216
  - 24
    - unwanted default-style form at end of execution Hi there When I run the following code (excerpts shown) the form frmSync shows, controls on the form update well while the procedures run, and the code executes perfectly ... except at the very end, when another unwanted form pops up (unlike my richly formatted form, the unwanted form is of the default kind that you would get simply from "frmSync = New Form()" followed by "frmSync.Show()"). Any ideas why this might be so? (I don't remember getting this result when I worked with MyBase and Me.) Best regards Loane Imports System Imports System.Drawing Imports System.Windows.Forms Imports System.IO Imports System.Net Public Class synchronize Inherits System.Windows.Forms.Form [some declarations here] Shared Sub Main() Application.Run(New synchronize()) End Sub Public Sub New() frmSync = New Form() [some code and form formatting here] frmSync.Show() Application.DoEvents() End Sub End Class Tag: Disable node selection of a treeview Tag: 85215
  - 25
    - Sending mail through SMTP Hi all, I'm trying to send mail via SMTP. My application is written in C# and I can't seem to include the System.Web.Mail namespace at the top in my code. I only get the System.Web.Services namespace. I do however get the System.Web.Mail namespace if I'm using VB.NET. So why wouldn't I get it for C# ?? Thanx E -- Message posted via http://www.dotnetmonster.com Tag: Disable node selection of a treeview Tag: 85201
- Next
  - 1
    - Application Level Events Hi Everyone, In asp.net you have the Global.asax file that allows you to handle and exceptions that have slipped through the net in your code. It also allows you to handle application level events in a central place. Is there a similar mechanism for dealing with global events and exceptions in Windows Forms applications? If not, what would be the best approach to make sure that any erstwhile unhandled exceptions are caught and dealt with graciously? Thanks to anyone who can help Kind regards tce Tag: Disable node selection of a treeview Tag: 85193
  - 2
    - graphics object from handle How do i create the graphics object from the window handle? thanks Tag: Disable node selection of a treeview Tag: 85191
  - 3
    - Control.Add Hi, I have created my own specific panel, and now I need to know when something is added to it. Does anyone know if it's possible to either get an event, or override the Control.Add function ? With regards -- Jens SÃ¸e Christiansen Tag: Disable node selection of a treeview Tag: 85186
  - 4
    - RichTextBox printing problem Hi I have post this question all over the net but no one seems to be able to help me with this issue. Please help me, it urgent that I finish this printout but this problem is just driving me crazy? Im currently using the FormatRange function to print out RichTextBox contents. My problem is when I have finished printing out the text of the control I want to get the Y-pos on the printing area where the last char was printed out. I need that pos to put more text on the printing area, not by adding more text to the richtextbox that Im printing out. I just want to write more text on the printing canvas. Is there any way to get this position, height of the text or anything that will help me continue writing on the printing are? regards Palli Tag: Disable node selection of a treeview Tag: 85182
  - 5
    - Serializing System.Windows.Forms I am working on a form designer. I have defined my own controls to list into a IToolBoxService, and the PropertyGrid, but I am having a difficult time Serializing a Windows Form to XML. Bascially, I want to take the form & Properties, and Controls within the form & Properties and place them into an XML file for later use. The ResXResourceWriter is fairly straight forward to use, but as a resx files, it doesn't store all of the property information about the form. System.Windows.Forms.Form is not serializable, so what options do I have to serialize this stuff to xml? Any examples, or help is greatly appreciated. Tag: Disable node selection of a treeview Tag: 85171
  - 6
    - Unbelievably Bizzare Combobox Problem I have a small winforms app with a combobox. When I am logged in as a domain administrator, the combobox behaves as expected. When I am logged in as a domain user, clicking the box brings down the options, then it immeiately goes back up. After that the form locks up. I am also continuously reading data from a serial port, if that makes any difference. I am pulling my hair out over this, what do I do? Tag: Disable node selection of a treeview Tag: 85169
  - 7
    - Disable fade/scroll animation of individual controls on XP Hi! Can I disable the ... (in code) ... expand/collapse animation of TreeView? ... the minimize/normalize animation of a Form? ... rollout animation of a ListBox? Or can this only be controlled from the OS for each app-instance? /Andreas Zita Tag: Disable node selection of a treeview Tag: 85168
  - 8
    - Missing the 'Expandable' TreeNode property The MSDN has an article titled: "HOW TO: Dynamically Add Nodes to a TreeView WebBrowser Control by Using Visual C# .NET". The article exploits a property of the TreeNode control called 'Expandable'. However, the property is available only for the Web Controls, and to my surprise I couldn't find it among the TreeNode Windows Forms properties. This Expandable property is crucial if you want to develop a smart, dynamic tree view which doesn't load all the data at once, but does it automatically as the user requests to expand the node. This is especially important if you want to bind the tree view to a database which can contain thousands of rows and you don't want to load all the nodes if the user doesn't even request it. Without the Expandable property the node doesn't have the ability to expand if you don't feed the sub-nodes during the tree creation. In other words the node doesn't have the 'plus' box to trigger the 'Expand' request. If the subnodes are supposed to be provided only on the expand request, then you are stuck. Is there any workaround for this problem? Thanks Cezar Tag: Disable node selection of a treeview Tag: 85166
  - 9
    - DrawImage I don't know whether this item should go here but I can't find out where it should go. I have a custom control that draws icons at various locations on the form. When I use an 8 bit icon then I'm ok but when I use a 32bit Icon with Alpha blending then it seems ok until I do something else then when GDI tries to draw the image it throws a NullReferenceException. The code is a bit complicated to put here but the painting part seems relativly straight forward. If anyone has had something similar then I'm willing to try anything to get it working correctly, only it looks rubbish with the 8 bit Icons a great with the 32-bit ones. Tag: Disable node selection of a treeview Tag: 85165
  - 10
    - Formatting DataGrid How can I both filter rows and hide columns in a DataGrid? I've tried several combinations of DataSets, DataViews, DataTables, and DataGrids and I can do one of the two but never both. Tag: Disable node selection of a treeview Tag: 85164
  - 11
    - pointers on creating app like Computer Management Hi, I would like to create an app that has the same layout as Windows Computer Management where clicking on a treeview item (in left pane) loads a different panel/control in the right pane. What I don't understand is how to show and hide (or load and unload) the different controls/panels in the right pane at runtime. If anyone has any pointers or examples on best practices (minimal memory usage) for doing this sort of thing, or even keywords to search on this topic, that would be great. Thanks! -Elsa Tag: Disable node selection of a treeview Tag: 85162
  - 12
    - DataGrid : Manipulating Columns Without TableStyles I bind a DataGrid to a DataView - everything looks nice, except for the column widths. How can I programatically modify the bound columns without going to the effort of creating TableStyles and ColumnStyles ? I just want to bind it then modify the default layout a little. Tag: Disable node selection of a treeview Tag: 85158
  - 13
    - Get caret pos in TextBox The documentation states that you can use the SelectionStart property of the TextBox to get the position of the caret in the TextBox. Well, what if the selection is BEFORE the caret? Say you have the word â??TEXTâ?? and you want to select â??EXâ??. There are 2 ways you can do this. You can click before the E and drag to the X so the caret is now sitting after the X. You can click after the X and drag to the E so the caret is now sitting before the E. In both cases the SelectionStart property has the value of 1 and the SelectionLength has a value of 2, yet the caret is in two different places. Using the SelectionStart property alone canâ??t always give you the correct caret position. How can one get the true caret position and be absolutely sure itâ??s correct? Tag: Disable node selection of a treeview Tag: 85157
  - 14
    - Problem using a UserControl in a DataGrid Hi In my Windows Form application I created a File Browser control that was derived from System.Windows.Forms.UserControl. It contains a single line text box and a button. The user can enter a filename in the text box or hit the browse button which pops up the File Open Dialog box and lets the user select a file. The subsequent selection is placed in the text box. This control is placed in a DataGrid using a column derived from DataGridColumnStyle. Everything works great except when Iâ??m entering text in the text box of my File Browser control, hitting Left, Right, Home, or End moves the current cell in the DataGrid instead of moving the caret in the text box. Iâ??ve found that if I derive a class from TextBox and use that in my UserControl instead of using the stock TextBox, override the ProcessCmdKey() method, and move the caret myself, I can get this to work correctly. This seems really sloppy though. I donâ??t know why the TextBox is not using and keeping the keys instead of ignoring them and letting the messages bubble up to the grid control. Anyone have any ideas? Any help would be appreciated. Thanks Tag: Disable node selection of a treeview Tag: 85149
  - 15
    - Bug in UpDownBase.UpDownEdit class ValueChanged event of NumericUpDown isn't fired when type in it by keyboard even it lost focus. The error in class System.Windows.Forms.UpDownBase.UpDownEdit : protected override void OnLostFocus(EventArgs e) { this.parent.OnLostFocus(e); } To fix that bug the method must be changed: protected override void OnLostFocus(EventArgs e) { this.parent.OnLostFocus(e); base.OnLostFocus(e); } Tag: Disable node selection of a treeview Tag: 85145
  - 16
    - How to create an "Desktop Taskbar Application" Hi, I would like to know if it's still possible on Windows 2000 or XP to create a "Desktop Taskbar Application" (An application who attach it-self to the edges of the Desktop screen) in VB.NET or C# I know how to do it with the WIN32 API. the following link show how to do it: http://support.microsoft.com/default.aspx?scid=kb;en-us;134206 According to this article (Q134206), it's the Windows Explorer shell of 95, 98 and NT4.0 who allowed this possibility. Is it still possible ? If so, I want to go to the next level, I mean with .NET. Is there a Class in the .NET Framework that will allow me to do that??? Tag: Disable node selection of a treeview Tag: 85142
  - 17
    - MouseDown, MouseUp Hi, I have trouble understanding why this fails but here is what I'm trying to do: I have 1 form with 2 controls in it. I created a MouseDown handler for both controls (setting up different internal things each) and 1 MouseUp handler for the form since both controls can use the same code. Now, what I was excepting was: - The 2 controls would catch and call their MouseDown handlers: that works. - And as none of the controls have no MouseUp handler the message would be propagated to the parent form where the form MouseUp handler would be called: that doesn't work. Capturing the mouse doesn't help. Any ideas? Thanks Tag: Disable node selection of a treeview Tag: 85140
  - 18
    - Undo/Redo mechanism Hi, I have a small graphics app and am trying to improve on the undo/redo mecahism for the users. Currently jusy kee a track of the last 5 items added or deleted and allow thos to be removed/re-added. Any ideas on an undo/redo mechism or part of a class-design that will help this process and make it more funcitional against all user actions? Thanks, Lini Tag: Disable node selection of a treeview Tag: 85136
  - 19
    - how to change printer settings Hi All, Does someone knows how to manage printer settings programmatically? System.Drawing.Printing.PrinterSettings class allows to change them for a custom document but I need to do it not for one document but for an installed printer in general, the same way I can do it manually by opening Printers folder on my local computer, selecting printer and changing it's settings. When I do it manually there is no difference if a printer is local or network one. Is there a convenient way to do it via .NET? At least, I'd like to find a way to manage settings of network printers. Thanks, Artem Tag: Disable node selection of a treeview Tag: 85135
  - 20
    - Should I store Graphics object ? hi, We are currently porting our project from VB6 to VB .NET. Earlier we used to make scale transformations on objects like pictureBox , forms etc.Now Such transformations are made on the graphics object of the form/pictureBox. Should It be better if make a graphics object from my pictureBox in load event handler of the form and store it as member variable of the form , make transformations as and when required(we really require such transformations from mils to pixels.). And finally I can dispose it when the form is disposed. But I have read somewhere that Graphics object should never be stored as member varibale of a class.And so I am really confused as to what should I do ? Plz help me regarding this.. sanjay Tag: Disable node selection of a treeview Tag: 85131
  - 21
    - MDI child problem (switching between MDI children) Hi, I have an MDI container with several MDIchildren. When more than 1 childform is opened i get a problem when clicking another form to get to it (take it to foreground). It only works when a control is clicked in the other form, otherwise, the first form just stays in the forground and the other form doesn't get selected. I hope this is kind of clear. I thought the problem was with one childform having the topmost-property set to true, but this isn't the case. Anyone seen this behaviour and knows what might cause it. Thanks, Bjorn. Tag: Disable node selection of a treeview Tag: 85130
  - 22
    - Drawline on Form at runtime with mouse? Greetings, I would like to draw lines on the form at runtime. Most important are to have the ability to control the line drawn to be Straight horzaontally, vertically and at a 45 degree angle. I have looked at the Scribble program and nknow I will need to capture the moust current position for the Pen tool. I also need to save and these images and recall as needed. I am learning VB Net 03 with FW1.1. Thanks for any assistance Mark Gaeth Decatur, IN Tag: Disable node selection of a treeview Tag: 85129
  - 23
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Is there a way to disable node selection in a asp.net treeview webcontrol?

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Posted by a user from .NET 247 (http://www.dotnet247.com/)

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