Hi, Anobody can help me to increase scrollbars in ListBox (wider for both scrollbars). I try to design applications specialy for touchscreen, but can't find any solutions in documentation. Thank you, Alexey. ...more >>

hi, I am adding Buttons dynamically to a panel ie for i = 1 to 50 me.panel.controls.add(mycontrol) next Initially they were adding on top of each other in the top left location of the container control.The panel is docked so can change in size as the formsize changes. I want my contro...more >>

Hi... Is it possible to display html in a simple textbox like control? Cheers Mark ...more >>

My form uses a bitmap image as a background skin, with a transparency key. A couple of small bitmap images with attached mouse-event handlers are added during Form_Load, to serve as buttons. This works fine. However, if I do more processing during Form_Load, below the section where these small ...more >>

Maybe I'm being impaired, but I can't seem to find any way to get my tab pages to center in the DisplayRectangle of the TabControl. They always appear in the top left. There doesn't appear to be any options on the TabControl or the TabPage. I've even tried setting the page locations manua...more >>

Hi, Is it possible to remove an event handler once it's installed with AddHandler? Below is the event I added and it works fine. Later in my code I want to remove it. I tried using this statement: (AddHandler mOwner.CmdFirst.Click, Nothing) to remove it, but this does not work. Help! AddHa...more >>

Hi, Is it possible to capture datagrid delete event (winforms). ...more >>

in C# how do i get to total number of kilobytes of memroy total and available for the current machine? ...more >>

Hi, My application contains some TextBox controls. I set the MaxLength property to 10 and the user cannot enter more than 10 characters (as expected). But if I set the Text property in source code like TextBox1.Text = "More than 10 chars" the TextBox contains and displays the whole text...more >>

Hello Folks, I've read through the newsgroups but no posting seems to address my problem. I have successfully databound my ENUM (VB) to my Combobox. This works well but as you'd expect it displays the ENUM values. But I would like to do is convert my enums values into user readable values ...more >>

I have a TabControl with a few Tabs and a CheckedListBox on each Tab (or Page). What I need to do is loop through each Checked Item on each CheckedListBox on each page of the TabControl. The problem is I can't seem to reference the CheckListBoxes foreach (Control ctl in this.Controls) { ...more >>

Hi, Is it possible to add a treenode to a treeview by using a string that has the PathSeparator as divider in the string? hereis a psedocode (maybe stupid format or coding but I hope you understand what I mean) treeview.pathSeparator = "." [treeview add node] = "1.2.6.1.2.2.4.4.2.1" [tre...more >>

Hi, I am creating a Windows Application for Tablet PC and using MDI Form. But I am not able to increase the Height of my MDI Form more than 780. how can I increase my MDI form Height as 1024 ? Please do help. Thanks, Hriday ...more >>

hi everyone; my problem: I have a userControl in this usercontrol, I have a child control (a button) when the mouse moves over the userControl, I can detect the movement using MouseMove event. the problem is when the mouse is on the child control : I can t detect anything when the mouse m...more >>

I'm using VB.NET 2003 I have started a new project. I have subclassed each control I plan on using in my project, text box, tab control, etc... I have a base form then I have created an inherited form from that one. On it i have a tab control with 2 pages and a menu. When I create an in...more >>

Hello, Context ------- I have a ContextMenuStrip with a few string items. This menu is assigned to a DataGridViewColum.ContextMenuStrip Property. Event ----- I handle the ItemClicked-Event of the ContextMenuStrip. The standard handler looks like that: void ..._ItemClicked(object sen...more >>

hi. i want to build USER CONTROL that will be used in WEB PAGE. to build user control and use in web page,I KNOW . i did user control with textbox and lable for example and it works. the problem is after i had the IRC client functionality and Windows sockets it DID NOT work. now, i gu...more >>

Is there a control similar to OpenFileDialog that will let me open a directory instead of a file? Basically, you browse to the directory you want and hit "Open". Thanks, Gary...more >>

I woud like to set default value for my Color property. But, I have problem when I want set unknown color. Code: public class BitmapButton : System.Windows.Forms.Button { private Color mForeColorMouseOver = Color.FromArgb(0xFF52CE); [Browsable(true), DefaultValue(typeof(Color), "0xFF52...more >>

To get rid of the rectangular frame around buttons, must one create a custom button control? Thanks Timo ...more >>

Hi, I have a treeview with some nodes. When i click with the Right Mouse Button, it doesn't select the node. (The selection blinks one moment on the clicked node then returns immediately with no events on the previous selected node). That's ok But If I assign a context menu to the tree vi...more >>

I'm trying to position a button at the exact top left corner of my form, which is an owned form that floats over another. But this code in the floating form's Form_Load event is not working and I don't understand why: Dim MyButton As New Button MyButton.Height = 34 MyButton.Width = 34 Dim i...more >>

I have a dynamic context menu attached to a tray icon. It will at times have about 100 menuitems. Is it possible to split this up into columns so that all the menuitems are on screen at once?(The windows start menu has this functionality). Thanks ...more >>

Hi there, I have a user-defined control that consists of combobox and a button (for a search feature). When I place the control on a form I no longer have the ability to set the datasource, displaymember or valuemember nor any of the databinding items. how can I expose this information ...more >>

hi all I'm trying to build something with the look and feel of a dropdown-area (like seen in a combobox). 1) it may be located at least partially outside of the hosting form and 2) it leaves the hosting form active. (user)control violates 1) and borderless window violates 2). what to do?...more >>

Hello all, [Sorry for x-posting but did not know in which group someone could help me] I've created a custom control that draws a monthly schedule (using the Draw function in C#). Basically it draws 31 boxes and writes the day number in every box. This works great. But I now want to sho...more >>

Is there a way to OwnerDraw a "ListViewItem" in a standard "System.Windows.Forms.ListView" control using C# .NET 1.1? I cannot find the ListView.OwnerDrawn property and DrawItem events. I even tried inheriting ListView and ListViewItem looking for possibly hidden base members. Thanks -- ...more >>

I looked at a windows csharp app that I wrote using VS .NET 2003 and its memory usage is over 200MB! I thought .NET had garbage collection. It is reminding me of old apps that do not free resources or objects when they are used or app with memory leaks. How do I fix it?...more >>

VB .NET 2003: I have TextBox controls on the pages of a TabControl, then when running the application I try to move the cursor when a TextBox has focus. The Right and Left arrow keys don't move my cursor through the text. Only the Up and Down arrows work for moving the cursor left and right. ...more >>

I am writing custom TreeView control based on the TreeView in .NET 2.0. The DrawTreeNodeEventArgs argument to the handler doesn't have correct state information like - whether a node is selected or not (e->State is always 0). I am using the sample code provided in the documentation that shows ...more >>

Hello I needed an custom drawn button on the .net CF. So I derived a class from Usercontrol and put there all the stuff I needed To have the same behaviour as a normal Button I override the following methods: ############################################## protected override void OnM...more >>

Hi Is there a dialog that will let you select a machine on the network? I need the user to supply me with a machine name, and I thought it would be nicer to let them browse the network and find the machine that they want, rather than forcing them to just type the name in. I've looked at the...more >>

Hi, I need to draw an icon to the right of a item in a tree view, for example: ROOT | ----[normal tree node icon] ---- TreeNode Text [OTHER ICON I NEED TO DRAW] | -----[normal tree node icon] ---- AnotherTreeNode Text [OTHER ICON I NEED TO DRAW] Note that the s...more >>

I have added listboxes (possibly to be changed later) and comboboxes to my dialogs. When I am adding dozens (or worse, depending on the table, thousands) of items to these controls, I do not want the control repainting itself every time I add an item. With Win32 or MFC, I would call SetRedra...more >>

I see that System.Windows.Forms.Listbox has a multi-column option, but it appears that you get only one column width unless you paint the rows yourself. I considered the DataGrid. However, I have no interest whatsoever of binding the grid to my database. All I need is what I described: A ...more >>

We have created several enhanced .NET user controls in a controls dll (they are derived from the .NET TextBox, ComboBox etc objects). They compile fine and on the machine they were created on they apprear in the 'User Controls Toolbox' panel. However when the rest of our team tries to use th...more >>

Hi, I tried to find how to show an AVI animation sequence like a "filecopy" animation but did not find how to do that in VB. Is there a control in VB.NET or any other way of doing it?? I be very happy for a code example if possible.....feeling a little lost for the moment ;-) br / Mi...more >>

Hi; The object that I am passing to PropertyGrid has (along with others), the following properties: ChartColumnSelect DataTitle ChartColumnInfoCollection Columns ChartColumnInfoCollection is a CollectionBase derived class holding ChartColumnInfo objects. ChartColumnInfo has the prope...more >>

Hi, Can anybody tell me if it's possible to implement spell checking for a RichEdit TextBox somehow? I've tried implementing a Word object and passing the text to its spell checker, but in the end, Word becomes visible and ruins the whole effect. ...more >>

This is really odd. I have a problem with in the Windows Form Designer when I try to use System.Windows.Forms.Application.ExecutablePath with a User Control load event. Without copying all of the code, I have a function that gets a connection string value from an XML file, defined as: Dim ...more >>

Hai all, Is there any way to make a Form listen to MouseDown event, when I click on a Label in the form. I need this to make one of the controls in the form invisible when focus leaves that control. Now what happens is when I click on a Label or a Panel that does not receive focus,Leave e...more >>

I have a datagrid that has a dataview to a dataset as its datasource. If I leave the grid when I am on a newly added record I can't get the cell I am editing to reflect its changes back to the dataset. I can get the rest of the row to save to the dataset by using dataview(rowindex).endedit() ju...more >>

Hi; I have a class: class ChartColumnInfoCollection : CollectionBase , ICustomTypeDescriptor that I then display in a PropertyGrid. I implement ICustomTypeDescriptor so that in the PropertyGrid it shows each element in the collection. I use the default PropertyGrid editor to add/remove co...more >>

I am dynamically loading contorls into a user control and I want to fit the parent window to the childs window, within a certain maximum range. So if the child control is larger than my parent control I turn on scroll bars (set AutoScroll to true). So if I turn on the VScroll, I need to a...more >>

I inherited the DataGridTextBoxColumn to create a custom datagrid column that displays passwords using password characters (black circles) and is read only. It works fine. When I select a row, the row is highlighted in the selection background color except for the cell in the password column. ...more >>

Dear all, We use Crystal report 11 to have report on client application, this Crystal report embedded with Win32 Appz, developed with C# language (.NET Framework 1.1). Currently, our customer have requirement to measure session.timeout from our application. So we measure the delay of activi...more >>

I have a series of combo boxes in a WinForms app. When a selection is made in cbo1, the DataSource in cbo2 is updated. The problem is this generates two events: one when the user makes a selection in cbo1, and another when the DataSource in cbo2 is programmatically updated. I need the fir...more >>

ComboBox cbo = this.cboParameter; strParameterValue = cbo.SelectedItem.ToString; //does not work How do I retrieve the string value of the selected item in my ComboBox? Thanks in advance. ...more >>

Hi, there doesn't appear to be to many books on the topic. A couple of books had bad reviews on amazon. Im not wanting to get into really advanced gdi+ programming. I probably just use it to create controls. Nothing really advanced. Does Chris Sells book on Windows Forms go into enough detail wit...more >>

I have an Windows Form application with a MainMenu and a TreeView with TreeNodes. I have a ContextMenu that is dynamically created when a TreeNode is right-clicked, and then ContextMenu.Show is called. I have a separate worker thread (lets say it is monitoring disk space) running in the backg...more >>