Help Version 19.0.2017.10.27
References ▼
#include "ltwrappr.h"
L_INT LImageViewerCell::GetCellRegionHandle(nSubCellIndex, phRgn, uFlags)
L_INT nSubCellIndex; |
index into the image list attached to the cell |
L_HRGN * phRgn; |
address of the variable to be updated |
L_UINT uFlags; |
reserved for future |
Retrieves a copy of the region handle for the specified bitmap in the specified cell.
Parameter |
Description |
nSubCellIndex |
A zero-based index into the image list attached to the cell. This sub-cell contains the image that contains the bitmap region that needs to be retrieved. Pass -2 to refer to the selected sub-cell. |
phRgn |
Pointer to the Windows region handle. You do not have to create the region. You just declare the HRGN variable and pass its address. |
uFlags |
Reserved for future use. Pass 0. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
You should delete the region handle once it is no longer needed using the windows function DeleteObject.
This function gets the cell region handle. To set the bitmap region handle, use the LImageViewerCell::SetCellRegionHandle function.
Required DLLs and Libraries
LTIVW For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
For an example, refer to LImageViewerCell::RegionCallBack.