Called for each border found by LBitmap::BorderRemove.
virtual L_INT LBitmap::BorderRemoveCallBack(hRgn, uBorderToRemove, pBoundingRect)
Windows region representing the border to be removed. It is the programmer's responsibility to delete this region (using DeleteObject() when it is no longer needed.
Flag that indicates which border is being processed. Possible values are:
|BORDER_LEFT||The left border is being processed.|
|BORDER_TOP||The top border is being processed.|
|BORDER_RIGHT||The right border is being processed.|
|BORDER_BOTTOM||The bottom border is being processed.|
Pointer to a RECT structure that contains the bounding rectangle of the border being processed.
|SUCCESS_REMOVE||Remove the border.|
|SUCCESS_NOREMOVE||Do not remove the border.|
|Otherwise||An error occurred. Refer to Return Codes.|
This function is called once for each border found by LBitmap::BorderRemove. It is called a maximum of four times for each call to the LBitmap::BorderRemove. Return SUCCESS_REMOVE to have the border removed. Return SUCCESS_NOREMOVE to leave the border unchanged. Pass any other value to abort. This value will be the return value of the LBitmap::BorderRemove(). If flags BORDER_IMAGE_UNCHANGED and BORDER_SINGLE_REGION are being used, then the return value of this function affects only the internal single region that contains all the changes.
For an example, refer to LBitmap::BorderRemove.
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