LBitmap::BorderRemoveCallBack (original) (raw)
Summary
Called for each border found by LBitmap::BorderRemove.
Syntax
#include "ltwrappr.h"
virtual L_INT LBitmap::BorderRemoveCallBack(hRgn, uBorderToRemove, pBoundingRect)
Parameters
HRGN hRgn
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.
L_UINT32 uBorderToRemove
Flag that indicates which border is being processed. Possible values are:
Value | Meaning |
---|---|
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. |
PRECT pBoundingRect
Pointer to a RECT structure that contains the bounding rectangle of the border being processed.
Returns
Value | Meaning |
---|---|
SUCCESS_REMOVE | Remove the border. |
SUCCESS_NOREMOVE | Do not remove the border. |
Otherwise | An error occurred. Refer to Return Codes. |
Comments
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.
Required DLLs and Libraries
- LTIMG
- For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.
Platforms
Win32, x64.
See Also
Functions
Topics
Example
For an example, refer to LBitmap::BorderRemove.
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