Clipping cursor

Question

Hello, I launch a few processes from my application. This application clips mouse cursor. The problem is when process becomes an active window clipping doesn't work. I want to set Cursor.Clip for all child processes. Does anybody know how to do this ?

Alexandr · Answer

Hello, thank you for your answer. This is a part of code that does launching and clipping. private void SomeApp_Load(object sender, EventArgs e) { .... Cursor.Clip = new Rectangle(x, y, width, height); .... } void SomeBtn_Click(object sender, EventArgs e) { switch(settingName) { case "ADM": string CommandLine = "Rundll32.exe Shell32.dll,Control_RunDLL timedate.cpl" ; PROCESS_INFORMATION pInfo = new PROCESS_INFORMATION (); STARTUPINFO sInfo = new STARTUPINFO (); sInfo.dwFlags = STARTF_USEPOSITION; sInfo.dwX = ( uint )(Bounds.X + Width/5); sInfo.dwY = ( uint )(Bounds.Y + Height/5); SECURITY_ATTRIBUTES pSec = new SECURITY_ATTRIBUTES (); SECURITY_ATTRIBUTES tSec = new SECURITY_ATTRIBUTES (); pSec.length = Marshal .SizeOf(pSec); tSec.length = Marshal .SizeOf(tSec); bool retValue = CreateProcess( null , CommandLine, ref pSec, ref tSec, false , 0, IntPtr .Zero, null , ref sInfo, out pInfo); Process dialogProcess = Process .GetProcessById(( int )pInfo.dwProcessId); dialogProcess.WaitForInputIdle(2000); bool p = SetForegroundWindow(dialogProcess.MainWindowHandle); Cursor .Clip = new Rectangle (x, y, width, height); break ; } }

Bechir Bejaoui · Answer

Could you give the code to see what's wrong

Clipping cursor

Answers (2)