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Re: Sheet Doesn't Attach Itself To Window

[NSApp beginSheet:self.sheetWindowController.window
modalForWindow:self.window
  modalDelegate:self
 didEndSelector:@selector(sheetDidEnd:returnCode:contextInfo:)
    contextInfo:nil];
[NSApp runModalForWindow:self.sheetWindowController.window];


What you are doing here is first begin a sheet for you sheetWindow, and directly after that you start a modal session for the same window (see the docs for the distinction between a sheet and a modal window). If you remove the second method call, everything should be fine.

Thanks for your reply. Originally I didn't call runModalForWindow: and in this case the sheet was still not attached to the window. Because I was not calling it, it was possible for the user to drag the window to a different location. If this event happens, the sheet remains in its original position where it was initially shown and the controls in the owning window still respond to events with the sheet displayed elsewhere on the screen! Calling this method was just a workaround disabling the for the still responsive sheet owning window.
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References: 
 >Sheet Doesn't Attach Itself To Window (From: "Brian T. Kelley" <email@hidden>)
 >Re: Sheet Doesn't Attach Itself To Window (From: PGM <email@hidden>)



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