public static BOOL EnumChildWindows(HandleRef hwndParent, EnumChildWindowsCallback lpEnumFunc)
{
BOOL result = EnumChildWindows(hwndParent.Handle, lpEnumFunc);
GC.KeepAlive(hwndParent.Wrapper);
return(result);
}
public static unsafe BOOL EnumChildWindows(IntPtr hwndParent, EnumChildWindowsCallback lpEnumFunc)
{
// We pass a function pointer to the native function and supply the callback as
// reference data, so that the CLR doesn't need to generate a native code block for
// each callback delegate instance (for storing the closure pointer).
var gcHandle = GCHandle.Alloc(lpEnumFunc);
try
{
return(EnumChildWindows(hwndParent, &HandleEnumChildWindowsNativeCallback, (IntPtr)gcHandle));
}
finally
{
gcHandle.Free();
}
}
public static extern int EnumChildWindows(IntPtr hWnd, EnumChildWindowsCallback callback, int lParam);
public static extern int EnumChildWindows(IntPtr hWnd, EnumChildWindowsCallback callback, int lParam);
