Hi, How can I make a transparent windows form control? Thanks, Mehrdad ...more >>

Hello, I experience a strange problem with PictureBox I draw onto. My application has a fill-docked TabControl on its form and there is PictureBox on one of the TabPages. If I resize the form (hence the PictureBox should resize too) WITHOUT switching to the TabPage containing the PictureBox bef...more >>

Hi, Did anyone notice, the WinForm tooltip component cannot show again if you click on a label? The repro steps are quite simple: Just create a simple Winform Application Project, put a label and a tooltip component on the Form, then set tooltip for the label control in designer. Run th...more >>

Hi all, I have one particular datagridview that just will not maintain the list of columns I specify for it. I am using VS2005 SP1 to design a Windows Forms project. On one of the forms, I have a tab control. On the last tab page of the form, I have a datagridview with a binding source a...more >>

Given the rather complex style inheritance model that exists for determining the colors and style and so forth that a cell actually displays in, I am trying to find a way to highlight the cell, and put it back, such that when it is all done blinking I can completely restore it to original ap...more >>

Hi I'm a problem using WebBrowser: each time there is some windows update VisualStudio give me an error for WebBrowser (IE7). Today wen I try to add the WB on a form it says that cannot instanziate the component and don't add it. Time ago I found a way to repair the IE7 installation for...more >>

I want to build a control that will have a popup similar to the month object in the DateTimePicker. Like the month object, my popup needs to have a variety of controls on it. Can anyone suggest what type of control(s) would be suitable for this. Thanks....more >>

I have six .NET 2.0 MaskedTextBoxes in a user control (With a mask on each of 3 numeric characters). When the length of the text in the right-most masked textbox is 0, I want to put the cursor at the end of the previous (5th) masked textbox. I've tried the following: Private Sub m...more >>

I need to fill in default values for new rows in a DataGridView. The control is bound via BindingSource to a DataTable. I use the DefaultValuesNeeded event to populate the new rows. This works just fine except for one particular case: If the last existing row in the DataGridView is deleted ...more >>

Hi all, I am getting some unexpected behavior in WinForms 2.0 with VS2005 SP1. Scenario: Start a new WindowsApplication project in vb. Paste the following code into the .vb code behind of Form1, and the designer code into the .Designer.vb. Public Class Form1 Private Sub Form1_Lo...more >>

Is there a way to prevent a vertical scroll bar to appear in a listbox if there are more items then can show in the listbox? I know you can set it to alway be visible but I want the opposite, I want to never show them. -- Thanks Morris...more >>

Is there a way for a list or combo box (or anay simialr control) to display multiple columns of items from multiple columns of the data source. I want the list to display "Cust#", "LastName" and "Firstname" from my customer table so the user can select a row and it will return the Cust# value...more >>

I added a lot of myComboBox controls to form. Every combobox shows all its content selected. Selection is removed only when I tab off from the control. How to hide selection initially? There is not HideSelection property in Combobox. Andrus. class myComboBox : ComboBox { internal myC...more >>

Hi, My PropertyGrid component works fine under XP but has an issue under Vista. When the mouse is over the grid, the CPU raises to 100%. Actually, under Vista, I realized that the OnMouseMove handler is continually called, even when the mouse is not moved. Do you know the cause of this behavi...more >>

Hi Everyone, How to show only year on UI using VS DayTimePicker in C#. Looking forward for your response. Thanks Sandy ...more >>

WINDOWS FORM> We are migrating an app from VS2003 using DataGrid to VS2005 using DataGridView. Naturally, all our DataGrid helper classes are now redundant. This is more or less my first exposure to this technology - I've spent the past five years on ASP.NET I want to create a very simple b...more >>

Visual Studio's Properties windows is an example. ...more >>

I have created a custom control where I have applied a new custom category to all properties I would like users to set. All other properties I want to filter out. For example, I have derived a CustomTextBox from TextBox, and have filtered out all properties that aren't tagged with my custom ...more >>

I have a DataGridView control with no tooltips set in the designer - I searched the source code to be sure there were no tooltip statements. All tooltips in the column definitions are blank. 1.) Column headers which word wrap display tool tips (which is the exact text of the column heading...more >>

Is there an off the shelf control for showing relational data with ease similar to that for a DataGridView when showing one table? -- David Jones Software Developer (Embeddded Systems) Victorian Partnership of Advanced Computing Melbourne, Victoria Australia...more >>

Hi, Anyone know if it's possible to avoid the selected node in a treeview to loose it's "selected color" when the treeview looses focus? Thanks D. ...more >>

Hi, We are experiencing a problem with a windows forms control hosted in IE. Everytime I close the IE window we get this error: --------------------------- ..NET-BroadcastEventWindow.2.0.0.0.218f99c.0: iexplore.exe - Application Error --------------------------- The exception unknow...more >>

Hello Is it possible to get the application name the usercontrol is placed into. I'am building a usercontrol that have the possibillity to save properties, the xml file is stored in the "Application Data\Company Name" and the next folder should be the name of the application the usercontrol ...more >>

I am new to using the visual designer and I am having difficulty with a simple task but can't find the answer. I am using VS 2005. I have a form with two panels that overlay one another. I intend to control which panel is visible in the running application through hide( ) and show( ). Each p...more >>

Hi All, I don't have a lot of experience with the datagrid control and so i have a few questions. I am using VS 2005 and C#. My situation is that i have a datagrid that displays a dataset with 2 tables in it, the tables are related via a datarelation .. so it's parent/child. HEre are my questio...more >>

hi i wont to show the actual value of the scrollbar over the hscrollbar i maked a graphics from hwnd and a graphics paint.text inside and it works how i want (transparent over the scrollbar) but all the events over the scrollbar who changend the grafic -if the mouse is moving- destroyed my numb...more >>

Hi I'm trying to develop a syntax-colouring text box, using a RichTextBox as the underlying control. The logic works fine and recolouring is achieved by selecting each language token in turn and setting the Selection.Color property. Unfortunately, the selection operations are visible, a...more >>

Hi I created an user Control which needs 2 other dlls of referenced projects. When I deploy the dlls to the customer and he drags the control from the toolbox e.g. to a form the reference of the main.dll is added to the project, but the dependend dll's (which are in the same folder) were not ...more >>

Hi, How can I setDatatiype as Boolean and display type as checkbox to a column of a unbound datagridview? I cannot understand the property ValueType. Thanks Nhan ...more >>

Hi, I can't figure this out. I have a DateTimePicker with the following properties being set in InitializeComponent, called from the form's constructor: // // startTime // this.startTime.Checked = false; this.startTime.Format = System.Windows.Forms.DateTimePickerFormat.Short; this....more >>

Environment: vb.net 2.0 (2005) in Visual Studio 2005 on Windows XP latest service pack I think this will be simple enough: My treeview has about 6 root nodes, and each root node has about 5 child nodes, that's it, very simple... I wan't to automatically handle checking/unchecking the...more >>

Hi, I use bound datagridview control of VS 2005. I want to remember the order of columns, which users make at runtime, the next time I will show the columns in this ordering. For Example: My Grid had 3 Columns: ID, Name, Size. In runtime users reorder them (with drag drop): ID, Size, Name...more >>

Hi I have a web page containing a multiline text box that users regularly paste HTML output into. On postback the page errors. I've tried to get around this using a RegularExpressionValidator with some success but cant seem to nail it. Is there a better way or can someone please prov...more >>

Using VS 2005 SP1, C# In Designer, I create an unbound DataGridView control with a number of columns. Later, if I paste a form from another project in the same solution into the current solution, it reorders the colums alphabetically. In the worst case, designer would reorder the column...more >>

Hello, could anyone please suggest a control contained in VC# Express that supports inserting of images, horizontal rules, bold text, and text in different sizes AND supports easy printing of its contents? I tried to use RichTextBox, but inserting images by pasting them into the control failed ...more >>

I have a C# .NET program that uses COM Interop to use an ActiveX control (the control is hosted on the main form). I have successfully used the debug version of this program on four different computers in my office (Win2K Server, Windows XP SP1 and Windows XP SP2). I just got a new compute...more >>