question as title. thanks guys for helping

hi guys: can everyone tell me, what is interface, why do we use interface and when do we use interface? thanks

do u have any sample code please

hi i am wondering where can i find some article about using dataset.xsd in windows form in C#? thanks so much

//eraser is gif file from resources Bitmap bmp = new Bitmap(global::InkRecognition.Properties.Resources.eraser); bmp.SetResolution(128f,128); System.Windows.Forms.Cursor cursor = new System.Windows.Forms.Cursor(bmp.GetHicon()); this.Cursor = cursor; somehow SetResolution just don't work. anyone help please thanks

thanks, by the way how do i find cursor position outside of window? thanks

hi guys how do i set the cursor on Cstatic control thanks

hi guys how do i set cursor in mfc picture control? thanks

come on

how can i use that? please sample code!

Can you give me some sample code? please!

hi guys i have about this if i click on textbox in any program such as Msn messager or notepad etc. how do i find them by using C#? thanks

hi guy i have question about mapping for example: i draw a letter like 'a' in a bitmap, then i have an 'a' letter in a file or somewhere else, how do i map the bitmap 'a' with the 'a' letter in a file? thanks you so much

hi i have question about creating subdomain name if i have domain name is http://www.site.com i just need to know how to create http://myname.site.com in C# thanks

hi guys i have question about how to update, save and retrieve the appsettings and connectionsettings on the web.config file in asp.net 2.0 C#? thanks

how do i use the Activator.CreateInstance on the type? thanks

thanks

for example if i have a string like this: string str = "System.Data.OleDb.OleDbParameter"; then i have object like this: object obj; the question how do i convert the type of obj to the value of str? thanks so much

hi guys, is there anyway i can cast a string like "System.UI.Button" to a Button? thanks

hi all anyone know how to do the no titlebar and resizable form in C# thanks