Determines whether there is an existing frame after the current frame.
#include "ltwrappr.h"
L_BOOL LAnimationWindow::IsNextFrameAvailable() const
Value | Meaning |
---|---|
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. |
You cannot call this function during animation playback.
Win32, x64.
This example uses IsNextFrameAvailable to mimic the PlayAnimation behavior
L_INT LAnimationWindow_IsNextFrameAvailableExample(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);
while (MyAnimation.IsNextFrameAvailable())
{
Sleep(500);
MyAnimation.MoveNextFrame();
}
}
else
return nRet;
return SUCCESS;
}
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