public void DrawImageOnplayback(int a, int b, int c, int d)
{
x1 = a;
y1 = b;
x2 = c;
y2 = d;
DRAWFUN drawcross = new DRAWFUN(DrawFunCallBack);
uint userInfo = new uint();
if (!NET_DVR_RigisterPlayBackDrawFun(PlaybackHandle, drawcross, userInfo))
{
var iLastErr = NET_DVR_GetLastError();
throw new Exception("NET_DVR_RigisterDrawFun failed, error code= " + iLastErr);
}
}
public static extern bool PlayM4_RegisterDrawFun(int nPort, DRAWFUN DrawFun, int nUser);
public extern static int RegisterDrawFun(int port, DRAWFUN DrawFun, int user);
public static extern bool NET_DVR_RigisterPlayBackDrawFun(int lRealHandle, DRAWFUN fDrawFun, uint dwUser);
public HKImageDrawer(IntPtr hWnd)
{
mHWnd = hWnd;
Transparence = 0.5f;
mDrawFun = new DRAWFUN(DoDrawFun);
}
public static extern bool PlayM4_RigisterDrawFun(int nPort, DRAWFUN DrawFun, int nUser);
public extern static bool MP4_ClientRigisterDrawFun(int StockHandle, DRAWFUN DrawFun, int nUser);
