LImageViewer::EnableAnimationStartedCallBack

#include "ltwrappr.h"

L_BOOL LImageViewer::EnableAnimationStartedCallBack(bEnable)

L_BOOL bEnable;

/* flag */

Enables or disables the LImageViewer::AnimationStartedCallBack function.

Parameter	Description
bEnable	Flag that indicates whether to enable or disable the LImageViewer::AnimationStartedCallBack function. Possible values are:
	Value	Meaning
	TRUE	Enable the LImageViewer::AnimationStartedCallBack function.
	FALSE	Disable the LImageViewer::AnimationStartedCallBack function.

Returns

The previous setting.

Comments

Call this function to enable or disable the Animation Started callback overridable function for your class object. This will enable or disable the callback functions, which exist in the calling object.

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.

See Also

Functions:	LImageViewer::EnableAnimationStoppedCallBack, LImageViewer::AnimationStartedCallBack, LImageViewer::AnimationStoppedCallBack, Class Members
Topics:	Image Viewer Cells
	Image Viewer Functions: Image Viewer Cells
	Image Viewer Functions: Callbacks

Example

This example notifies the user when the animation has started or stopped using the AtartAnimation and StopAnimation procedures.

#ifdef LImageViewerChild 
class LImageViewerChild :public LImageViewer
{
   virtual L_INT AnimationStartedCallBack(L_INT    nCellIndex,
                                          L_VOID * pAnimationStartedUserData);
   virtual L_INT AnimationStoppedCallBack(L_INT    nCellIndex);
};
#endif
L_INT LImageViewerChild::AnimationStartedCallBack(L_INT    nCellIndex)
{
   UNREFERENCED_PARAMETER(nCellIndex);
   MessageBox(NULL, TEXT("Animation started"), TEXT("Animation call Backs"), MB_OK);
   return SUCCESS;
}
L_INT LImageViewerChild::AnimationStoppedCallBack(L_INT    nCellIndex)
{
   UNREFERENCED_PARAMETER(nCellIndex);
   MessageBox(NULL, TEXT("Animation stopped"), TEXT("Animation call Backs"), MB_OK);
   return SUCCESS;
}
L_INT LImageViewer_AnimationCallbacksExample(LImageViewer& ImageViewer)
{
   ImageViewer.EnableAnimationStoppedCallBack(TRUE);
   ImageViewer.EnableAnimationStartedCallBack(TRUE);
   return SUCCESS;
}
L_VOID StartAnimation(LImageViewer& ImageViewer)
{
   ImageViewer.StartAnimation( 0, 0, -1, FALSE, 0);
}
L_VOID StopAnimation(LImageViewer& ImageViewer)
{
   ImageViewer.StopAnimation( 0, 0);
}