LAnimationWindow::IsNextFrameAvailable
#include "ltwrappr.h"
L_BOOL LAnimationWindow::IsNextFrameAvailable(L_VOID) const
Determines whether there is an existing frame after the current frame.
Returns
TRUE |
There is a frame after the current frame, so you can use LAnimationWindow::MoveNextFrame. |
FALSE |
There is not a frame after the current frame, so you cannot use LAnimationWindow::MoveNextFrame. |
Comments
You cannot call this function during animation playback.
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. |
See Also
Example
/*
This example uses IsNextFrameAvailable to mimic the PlayAnimation behavior
*/
#include <ltlck.h> //Unlock support
L_VOID TestFunction(HWND hWndParent)
{
LBase::LoadLibraries(LT_ALL_LEADLIB);
//make sure all libraries are loaded
LAnimationWindow MyAnimation;
WRPUNLOCKSUPPORT();
MyAnimation.SetFileName(TEXT("eye.gif"));
if (MyAnimation.Load()==SUCCESS)
{
MyAnimation.CreateWnd(hWndParent,0,
WS_VISIBLE|WS_CHILD|WS_BORDER,0,0,300,300);
while (MyAnimation.IsNextFrameAvailable())
{
Sleep(500);
MyAnimation.MoveNextFrame();
}
}
}