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ID: 15827, Detecting and Changing Display Resolution at Runtime

by Eudy Silva Email: Anonymous

How to call Windows' API functions to detect the current display mode, find available display modes and set a desired resolution/color depth at runtime. Updated.
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For C++Builder, Version 1.0  to 5.0 2300 downloads
Copyright: No significant restrictions

Size: 8,385 bytes
Updated on Mon, 09 Apr 2001 21:32:57 GMT
Originally uploaded on Sun, 08 Apr 2001 17:43:53 GMT
SHA1 Hash: 09152C2CF4C7216BC1E76CD282C8000BEDDD49DE
MD5 Hash: 3574FA4DC7BDEBF69D8FB17C32323F93

    Explore the files in this upload

Example of calls to Windows' API functions GetDC, GetDeviceCaps, ReleaseDC, EnumDisplaySettings and ChangeDisplaySettings to detect and change display mode (screen resolution and color depth).
A timeout self closing window waits for user confirmation (useful if the monitor gets lost).
Use of TTimer, TProgressBar, ShowModal() and ModalResult

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