LBitmap::LineRemoveCallBack

#include "ltwrappr.h"

virtual L_INT LBitmap::LineRemoveCallBack(hRgn, iStartRow, iStartCol, iLength)

Called for each line found by LBitmap::LineRemove.

Parameters

HRGN hRgn

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.

L_INT32 iStartRow

The starting row of the line. The rows are zero-based.

L_INT32 iStartCol

The starting column of the line. The columns are zero-based.

L_INT32 iLength

Length (in pixels) of the line.

Returns

Value Meaning
SUCCESS_REMOVE Remove the line.
SUCCESS_NOREMOVE Do not remove the line.
Otherwise An error occurred. Refer to Return Codes.

Comments

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.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For an example, refer to LBitmap::LineRemove.

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