/// <devdoc>
/// Forces a repaint of the updown control if it is displayed.
/// </devdoc>
/// <internalonly/>
private void UpdateUpDown() {
// The upDown control doesn't repaint correctly.
//
if (ShowUpDown) {
EnumChildren c = new EnumChildren();
NativeMethods.EnumChildrenCallback cb = new NativeMethods.EnumChildrenCallback(c.enumChildren);
UnsafeNativeMethods.EnumChildWindows(new HandleRef(this, Handle), cb, NativeMethods.NullHandleRef);
if (c.hwndFound != IntPtr.Zero) {
SafeNativeMethods.InvalidateRect(new HandleRef(c, c.hwndFound), null, true);
SafeNativeMethods.UpdateWindow(new HandleRef(c, c.hwndFound));
}
}
}
public static extern bool EnumChildWindows(HandleRef hwndParent, NativeMethods.EnumChildrenCallback lpEnumFunc, HandleRef lParam);
