References ▼
Determines whether the region object is valid.
#include "ltwrappr.h"
virtual L_BOOL LBitmapRgn::IsValid()
| Value | Meaning |
|---|---|
| TRUE | The region object is ready to be used. |
| FALSE | The region object is not ready to be used. |
Before you can use any of the region functions, a bitmap must be associated with the class object. Until you have associated a bitmap with the LBitmapRgn object, the object is considered invalid.
Win32, x64.
For an example, refer to LBitmapRgn::SetRgnEllipse.
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