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Delphi source code for Windows >> Hide a program from the taskbar

Category: Windows
Title: Hide a program from the taskbar
Date added: 15.03.2006
Hits: 10109

procedure TMainForm.FormShow(Sender: TObject);
  hwndOwner: HWnd;
  hwndOwner := GetWindow(Handle, GW_OWNER);
  ShowWindow(hwndOwner, SW_HIDE);
  // For Windows 2000, additionally call the ShowWindowAsync function:
  ShowWindowAsync(hwndOwner, SW_HIDE);
  ShowWindowAsync(Self.Handle, SW_HIDE);
  Prevent the form from reappearing on the Taskbar after minimizing it:

procedure WMSysCommand(var msg: TWMSysCommand); message WM_SysCommand;

procedure TMainForm.WMSysCommand(var msg: TWMSysCommand);
  if msg.CmdType and $FFF0 = SC_MINIMIZE then

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