WinForms控件编程技巧

1,输入对话框:

　原文:http://blog.csdn.net/yanleigis/archive/2007/10/10/1818268.aspx

  

 1  private string InputBox(string Caption, string Hint, string Default)
 2         {
 3             //by 闫磊 Email:Landgis@126.com,yanleigis@21cn.com 2007.10.10
 4             Form InputForm = new Form();
 5             InputForm.MinimizeBox = false;
 6             InputForm.MaximizeBox = false;
 7             InputForm.StartPosition = FormStartPosition.CenterScreen;
 8             InputForm.Width = 220;
 9             InputForm.Height = 150;
             //InputForm.Font.Name = "宋体";
             //InputForm.Font.Size = 10;
 
             InputForm.Text = Caption;
             Label lbl = new Label();
             lbl.Text = Hint;
             lbl.Left = 10;
             lbl.Top = 20;
             lbl.Parent = InputForm;
             lbl.AutoSize = true;
             TextBox tb = new TextBox();
             tb.Left = 30;
             tb.Top = 45;
             tb.Width = 160;
             tb.Parent = InputForm;
             tb.Text = Default;
             tb.SelectAll();
             Button btnok = new Button();
             btnok.Left = 30;
             btnok.Top = 80;
             btnok.Parent = InputForm;
             btnok.Text = "确定";
             InputForm.AcceptButton = btnok;//回车响应
 
             btnok.DialogResult = DialogResult.OK;
             Button btncancal = new Button();
             btncancal.Left = 120;
             btncancal.Top = 80;
             btncancal.Parent = InputForm;
             btncancal.Text = "取消";
             btncancal.DialogResult = DialogResult.Cancel;
             try
             {
                 if (InputForm.ShowDialog() == DialogResult.OK)
                 {
                     return tb.Text;
                 }
                 else
                 {
                     return null;
                 }
             }
             finally
             {
                 InputForm.Dispose();
             }
 
         }