Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
#include "ltwrappr.h"
virtual L_BOOL LScreenCapture::IsValid()
Determines whether an LScreenCapture object is valid.
Returns
TRUE |
The object is ready to be used. |
FALSE |
The object is not ready to be used. |
Comments
Before you can use any of the screen capture functions, a bitmap must be associated with the class object. Until you have associated a bitmap with the LScreenCapture object, the object is considered invalid.
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. |
Win32, x64.
See Also
Functions: |
Example
L_INT LScreenCapture__IsValidExample(HWND hWnd) { LBitmap LeadBitmap; LScreenCapture screenCapture; screenCapture.SetBitmap(&LeadBitmap); if(screenCapture.IsValid()) MessageBox(hWnd, TEXT("Screen capture object is ready."), TEXT("LScreenCapture::IsValid"), MB_OK); else MessageBox(hWnd, TEXT("Invalid LScreenCapture object."), TEXT("LScreenCapture::IsValid"), MB_OK); return SUCCESS; }