日期:2014-05-17 浏览次数:20727 次
namespace MyNameSpace { public class MyTextBox : System.Windows.Forms.TextBox { public MyTextBox() { //设置初始背景色为黄色 this.BackColor = System.Drawing.Color.Yellow; } } }
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public class TextBoxEx : TextBox { public TextBoxEx() { this.BackColor = Color.Red; } }
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