摘要：private const int SW_HIDE = 0; private const int SW_RESTORE = 9; private const string SHELL_TRAYWND = "Shell_TrayWnd"; private const string BUTTON = " 阅读全文

摘要：[ToolboxBitmap(typeof(TextBox))] public class WatermarkTextBox : TextBox { private string _emptyTextTip; private Color _emptyTextTipColor = Color.Dark 阅读全文