LAnimationWindow::IsNextFrameAvailable
#include "ltwrappr.h"
L_BOOL LAnimationWindow::IsNextFrameAvailable() 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
L_INT LAnimationWindow_IsNextFrameAvailableExample(HWND hWndParent) { L_INT nRet; LBase::LoadLibraries(LT_ALL_LEADLIB); //make sure all libraries are loaded LAnimationWindow MyAnimation; WRPUNLOCKSUPPORT(); MyAnimation.SetFileName(TEXT("C:\\Program Files\\LEAD Technologies, Inc\\LEADTOOLS 15.0\\Images\\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; }