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LImageViewerCell::EnableAnimationStartedCallBack

Summary

Enables or disables the LImageViewerCell::AnimationStartedCallBack function.

Syntax

#include "ltwrappr.h"

L_BOOL LImageViewerCell::EnableAnimationStartedCallBack(bEnable)

Parameters

L_BOOL bEnable

Flag that indicates whether to enable or disable the LImageViewerCell::AnimationStartedCallBack function. Possible values are:

Value	Meaning
TRUE	Enable the LImageViewerCell::AnimationStartedCallBack function.
FALSE	Disable the LImageViewerCell::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.

Example

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

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