C# textBox用法小结

textBox用法总结:

1 去掉边框 【注:this = textBox】this.BorderStyle = System.Windows.Forms.BorderStyle.None;

2 设置字体 this.Font = new System.Drawing.Font(this.Font.Name, 11);

3 设置光标this.Focus();//光标移动到当前textBox中this.SelectAll(); //选中所有内容this.SelectionStart = this.Text.Length;///设置光标在末尾 

4 设置大小this.Size = new System.Drawing.Size(30, 25);

5 设置最大字符个数this.MaxLength = 3; //最大为3个

6 添加控件,设置控件位置Label  lb =  new Label();this.Controls.Add(lb);//添加一个Labellb.Location = new System.Drawing.Point(10,10);

7 设置字体居中this.TextAlign = HorizontalAlignment.Center;

8 控制输入内容 --- 重写textBox事件protected override void OnKeyPress(KeyPressEventArgs e){    //阻止键盘输入e.KeyChar.ToString()按键字符    e.Handled = true;    if ((e.KeyChar >= '0' && e.KeyChar <= '9') || (e.KeyChar == (char)8))    {     //只能输入0 -9     e.Handled = false;     return ;    }}