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pashje wrote: for (int i = 0; i < 3; i++)
{
TextBox t = new TextBox();
 t.Visible = true ;
addTEv(i, t);
}
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Hi all. I'm trying to use the paintdesktop api call in a c# application. I'm using the following code in the paint event of the form, but this causes a lot of flickering when it draws.
Graphics g = this.CreateGraphics();
IntPtr hdc = g.GetHdc();
PaintDesktop(hdc);
g.ReleaseHdc();
g.DrawImage(Interface, 0, 0);
g.Dispose();
I presume that I need to use some form of backbuffering to stop this flickering, however trying to draw the wallpaper with paintdesktop to a system.drawing.bitmap fails. I *think* I would be able to draw it to a bitmap created with the api createbitmap, but don't really know how to use this call or then get a HDC to such a bitmap and haven't been able to find any simple instructions for .net.
Can anyone provide a sample or a link to an *easy* article which explains it, or suggest another way reduce the flickering? Or does anyone have any experience with or links to articles about paintdesktop with .net that they could share?
Thanks!
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Hi,
I Created an application that allows user to draw shapes, pictures,... I had also flickering problem and a single line of code resolved my problem. Try this line in the Initilization of ure Control/Form :
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.DoubleBuffer, true);
Change the first argument to ure needs.
HTH.
Hayder Marzouk
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Thanks for the suggestion, but using that line causes just the form to be blank - from what I can gather paindesktop doesn't support double-buffering in that way 
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I just realized that unicode characters are normally represented in ConsoleBuffer if I set the Font to Lucida Console. So, how to change the font?
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Hi,
To change the font :
- right click on the console title bar
- select properties
- Select the Font Panel and change the font.
HTH.
Hayder Marzouk
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Yeah. I know how to do it manually, but how to change the font programmatically?
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Hi all,
I have a question would like to ask regards to the complex data binding using checkbox control. My situation was my data types at SQL database was char data types and it holds only 'Y' and 'N' value. Now I would like to bind the char datatypes 'Y'/'N' to the checkbox control. When the values hold for 'Y' and checkbox will be checked. Otherwise, it was in uncheck mode. If the values holds for other data values beside 'Y' / 'N', an intermediate checkbox value will be holded. whatever method being tried before, it can't bind correctly onto the checkbox control, is there any method I can bind it correctly using char data types by using checkbox control?
Steven Leong
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Hi,
This can be resolved using Format/Parse handlers. Here the code :
<br />
Binding YesNoBinding = new Binding("Checked", yourDatasource, "YourPropertyName", false, DataSourceUpdateMode.OnPropertyChanged);<br />
YesNoBinding.Format += new ConvertEventHandler(YesNoBinding_Format);<br />
YesNoBinding.Parse += new ConvertEventHandler(YesNoBinding_Parse);<br />
yourCheckBox.DataBindings.Add(YesNoBinding);<br />
And here the code for handlers :
<br />
void YesNoBinding_Parse(object sender, ConvertEventArgs e)<br />
{<br />
if ((bool)e.Value == true)<br />
e.Value = "Y";<br />
else<br />
e.Value = "N";<br />
}<br />
<br />
void YesNoBinding_Format(object sender, ConvertEventArgs e)<br />
{<br />
if ((string) e.Value == "Y")<br />
e.Value = true;<br />
else<br />
e.Value = false;<br />
<br />
}<br />
HTH.
Hayder Marzouk
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I need to write some com server with C# language - how can i do it ?
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Thanks - but this example is about DLL com -
I looking how to write write exe com server.
I need to write something like writing in C++ service exe file.
How can i write this one ?
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Dear all,
Now I have a big trouble with C# program, during the last time I just study VC++ but now I have a small program written by C# that is sent from my friend, Im not familarly with C# so I would like ask all of you: is there any program can convert C# to VC++ or please help me translate them to VC++. I must finish my report at the end of next month. I really need for your help.
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Hello everyone,
I have an Windows Application which has got actions such as "Connecting to database", "Save", "Load", and so on. I would like to inform the user with some sort of animation once these actions are taking place in the pop up windows.
I was wondering if someone can point me to a right direction for getting this done?
Thank you very much and have a great weekend.
Khoramdin
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Are you referring to something as simple as:
this.Cursor = Cursors.WaitCursor;
Or do you want something else?
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Hello Pualee,
Thanx for the reply. I was thinking of something similar the Windows Delete dialog box which pops up once you chose to delete a file with the animination showing papers are thrown into bin.
Thank you for your info and I appriciate any help in this matter. Have a great weekend, Paualee.
Khoramdin
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Add a picture box to your form and then set the image to an animated Gif.
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I need to implement an undo and redo for an entire row in a listview
containing approximately 10 columns. I'm not sure of the best way to
implement this. The only thing that I've thought of is a stack
implementation. I need to be able to undo a delete, an insert (add), a
movement within the list
Any ideas?
Thank you and any ideas would be appreciated.
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I need to write in console characters like 'ä' and 'ü'. But in console it displays like 'a' and 'u'. There is no problem with russian characters.
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I have developed a small window application, which has sql server express as backend.I have created a setup file for the application but i dont know how to install the database for the application.I donot want to attach database either.
How can i make a setup so that i can also setup the database it needs?
X
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You can make custom Installer for your application. Add a Installer Class, then add the Code to copy your database file or crate it on the server -e.g. using the T-SQL command "CREATE DATABASE"-. Then in your setup project view custom actions and add the primary output of your application project.
Regards ![Rose | [Rose]](https://codeproject.global.ssl.fastly.net/script/Forums/Images/rose.gif)
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Hi!
Is there a component which provides Align selection in your application like it is in the Visual Studio 2005 (for example, ImageAlign or TextAlign selection).
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My form contains submit button which is used for registration
tabindex is set for all textboxs within the registration form
but when i fill all information and press enter key it takes the control of a button of masterpage
I have to set focus on the control( button )of my registration form
anil jagdale
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If you are taking about web forms then I have written an article on this:
http://www.codeproject.com/useritems/EnterKeyToButtonClick.asp[^]
If you are taking about a windows form you can check the keypressdown event and look for the enter key (#13) and then call the PerformClick method on the button.
Hope that helps.
Ben
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