LBitmapBase::Access
#include "ltwrappr.h"
virtual L_INT LBitmapBase::Access()
Provides exclusive access to the image data contained in a class objects bitmap handle.
Returns
|
SUCCESS |
The function was successful. |
|
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This call locks the memory. To make the most of available system resources, you should only keep a bitmap handle locked when you need to access the image data. Call LBitmapBase::Release to unlock the bitmap data, for more efficient use of Windows memory resources.
Required DLLs and Libraries
|
LTDIS For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
|
Functions: |
LBitmapBase::Release, LBitmapBase::ChangeHeight, LBitmapBase::PutRow, LBitmapBase::PutRowCol, LBitmapBase::PutRowCompressed, LBitmapBase::PutRowColCompressed, Class Members |
|
Topics: |
Raster Image Functions: Getting and Setting Pixel Values |
Example
For an example, refer to LBitmapBase::GetRow.