#include "ltwrappr.h"
virtual L_INT LAnimationWindow::MovePreviousFrame()
Moves to the previous frame in the animation object, if one exists.
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
You can use this function, if the animation in not currently playing, to move to the previous item in the bitmap list.
The previous bitmap becomes the active bitmap and is displayed.
If animation events are enabled, this function triggers the EVENT_MOVE_PREV event.
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.
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LAnimationWindow_MovePreviousFrameExample(HWND hWndParent)
{
L_INT nRet;
LBase::LoadLibraries(LT_ALL_LEADLIB);
//make sure all libraries are loaded
LAnimationWindow MyAnimation;
MyAnimation.SetFileName(MAKE_IMAGE_PATH(TEXT("eye.gif")));
nRet = MyAnimation.Load();
if (nRet==SUCCESS)
{
MyAnimation.CreateWnd(hWndParent,0, WS_VISIBLE|WS_CHILD|WS_BORDER,0,0,300,300);
nRet = MyAnimation.MoveLastFrame();
if(nRet != SUCCESS)
return nRet;
if (MyAnimation.IsPreviousFrameAvailable())
{
nRet = MyAnimation.MovePreviousFrame();
if(nRet != SUCCESS)
return nRet;
MessageBox(hWndParent, TEXT("This frame is previous to last"),TEXT("Example"), MB_OK | MB_ICONINFORMATION);
}
else
MessageBox(hWndParent, TEXT("Previous frame not available"),TEXT("Example"), MB_OK | MB_ICONINFORMATION);
}
else
return nRet;
return SUCCESS;
}
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