References ▼
Called for each line found by LBitmap::LineRemove.
#include "ltwrappr.h"
virtual L_INT LBitmap::LineRemoveCallBack(hRgn, iStartRow, iStartCol, iLength)
Windows region representing a line to be removed. It is the programmer's responsibility to delete this region, using DeleteObject() when it is no longer needed.
The starting row of the line. The rows are zero-based.
The starting column of the line. The columns are zero-based.
Length (in pixels) of the line.
| Value | Meaning |
|---|---|
| SUCCESS_REMOVE | Remove the line. |
| SUCCESS_NOREMOVE | Do not remove the line. |
| Otherwise | An error occurred. Refer to Return Codes. |
This function is called for each line found by LBitmap::LineRemove. Return SUCCESS_REMOVE to have the line removed. Return SUCCESS_NOREMOVE to leave the line unchanged. Pass any other value to abort. This value will be the return value of the LBitmap::LineRemove(). If flags LINE_IMAGE_UNCHANGED and LINE_SINGLE_REGION are being used, then the return value of this function affects only the internal single region that contains all the changes.
Win32, x64.
For an example, refer to LBitmap::LineRemove.
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