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System and method for providing transparent windows of a display

  • US 20040179017A1
  • Filed: 03/12/2003
  • Published: 09/16/2004
  • Est. Priority Date: 01/31/2003
  • Status: Active Grant
First Claim
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1. In a computing system including a central processing unit, a main memory, and a display memory coupled together via a system bus, a method for displaying transparent windows of a display, the method comprising:

  • monitoring messages exchanged between a program and an operating system;

    in response to a first message indicating that a window should be transparent;

    transferring window data for the window from the display memory to an off-screen memory that is local to the display memory; and

    displaying the window using a transparent display mode; and

    in response to a second message indicating that the window should no longer be transparent, no longer displaying the window using the transparent display mode.

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