/// <summary>
/// 为控件设置输入焦点。
/// </summary>
/// <param name="hWnd">控件句柄。</param>
/// <returns>如果输入焦点请求成功，则为 true；否则为 false。</returns>
public static bool Focus(IntPtr hWnd)
{
if (GetCanFocus(hWnd))
{
UnsafeNativeMethods.SetFocus(hWnd);
}
return(GetFocused(hWnd));
}
internal bool MessageBoxWithFocusRestore(string message, MessageBoxButton buttons, MessageBoxImage image)
{
bool result = false;
IntPtr focus = UnsafeNativeMethods.GetFocus();
try
{
result = (MessageBox.Show(message, this.DialogCaption, buttons, image, MessageBoxResult.OK, MessageBoxOptions.None) == MessageBoxResult.Yes);
}
finally
{
UnsafeNativeMethods.SetFocus(new HandleRef(this, focus));
}
return(result);
}
