GDDM V3R2 System Customization and Administration
GDDM V3R2 System Customization and Administration
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Black rectangle on the screen GDDM V3R2 System Customization and Administration SC33-0871-02 |
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If your application deletes text that has been drawn on top of graphics, a black rectangle may be left where the text was originally drawn. For some display adapters, GDDM-PCLK holds graphics and text in the same part of memory. If some text is deleted, the graphics from the same area of the PC screen are also lost, which leaves a black rectangle on the screen. |
 Copyright IBM Corporation 1990, 2012 |
