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Validates lines of a bitmap that was added during a FILEREADCALLBACK function using the L_AppendPlayback function.
#include "l_bitmap.h"
L_LTDIS_API L_INT L_ValidatePlaybackLines(hPlayback, nRow, nLines)
Handle that references the animation playback.
Row number of the first line in the bitmap to validate. In the FILEREADCALLBACK function, this corresponds to the first line in the buffer.
Number of lines to validate. In the FILEREADCALLBACK function, this corresponds to the number of lines in the buffer.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
The L_AppendPlayback function enables you to update a bitmap list in a FILEREADCALLBACK function, so that you can play an animation file as it is being loaded. The L_ValidatePlaybackLines function lets you validate the lines that the animation playback engine will render to the target bitmap.
Win32, x64, Linux.
For an example, refer to L_AppendPlayback.
For a complete sample code, refer to the FRAME.C module of the DEMO example.
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