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HIDE TASKBAR BUTTON

Posted on 2002-06-15
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Last Modified: 2007-12-19
HIDE TASKBAR BUTTON

Once when I put some form of application in taskbar as button with :

For example :

setWindowLong(Form3.handle,GWL_EXSTYLE,getWindowLong(Form3.handle,GWL_EXSTYLE) or WS_EX_APPWINDOW);

how to hide it ? (Remove that button from taskbar ?)

Thanks.
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Question by:ghjlk
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Accepted Solution

by:
Cynna earned 800 total points
ID: 7080735
ghjlk,

This will remove Form3 taskbar button:


  // Affects only hidden windows:
  Form3.Hide;
  // Toggle WS_EX_APPWINDOW bit off:
  setWindowLong(Form3.handle,
               GWL_EXSTYLE,
               getWindowLong(Form3.handle,GWL_EXSTYLE) and (not WS_EX_APPWINDOW));
  Form3.Show;

Unfortunately, flickering is unavoidable - switching WS_EX_APPWINDOW bit off affects
only hidden windows.
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