public static IEnumerable <WinHandle> FindWindows(Predicate <WinHandle> pred)
{
if (pred == null)
{
throw new ArgumentNullException(nameof(pred));
}
List <WinHandle> winList = null;
NtApi.EnumWindows((ptr, lp) =>
{
var win = new WinHandle(ptr);
if (pred.Invoke(win))
{
if (winList == null)
{
winList = new List <WinHandle>();
}
winList.Add(win);
}
return(NtApi.EnumWindowsContinueEnumerating);
}, IntPtr.Zero);
return(winList ?? Enumerable.Empty <WinHandle>());
}
public static WinHandle FindWindow(Predicate <WinHandle> pred)
{
if (pred == null)
{
throw new ArgumentNullException(nameof(pred));
}
var ret = WinHandle.Invalid;
NtApi.EnumWindows((ptr, lp) =>
{
var win = new WinHandle(ptr);
if (pred.Invoke(win))
{
ret = win;
return(NtApi.EnumWindowsStopEnumerating);
}
return(NtApi.EnumWindowsContinueEnumerating);
}, IntPtr.Zero);
return(ret);
}