Visual Studio提供的通用对话框控件有：ColorDialog、FolderBrowserDialog、FontDialog、OpenFileDialog、SaveFileDialog、PageSetupDialog、PrintDialog和PrintPreviewDialog。

在使用这些中的某个“通用对话框”控件时，可以向窗体添加该控件，并将其放在控件托盘上。可以保留这些控件的默认名字。如colorDialog1和fontDialog1，因为每种类型只有一个控件可以使用。

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显示windows通用对话框

dialogObject.ShowDialog();

示例代码：

1: using System;

2: using System.Collections.Generic;

3: using System.ComponentModel;

4: using System.Data;

5: using System.Drawing;

6: using System.Linq;

7: using System.Text;

8: using System.Windows.Forms;

9: 

10: namespace CommonDialog

11: {

12:     public partial class FormMain : Form

13:     {

14:         public FormMain()

15:         {

16:             InitializeComponent();

17:         }

18: 

19:         private void btnColor_Click(object sender, EventArgs e)

20:         {

21:             colorDialog1.ShowDialog();

22:             txtShow.BackColor = colorDialog1.Color;

23:         }

24: 

25:         private void btnFont_Click(object sender, EventArgs e)

26:         {

27:             fontDialog1.ShowDialog();

28:             txtShow.Font = fontDialog1.Font;

29:         }

30: 

31:         private void button1_Click(object sender, EventArgs e)

32:         {

33:             folderBrowserDialog1.ShowDialog();

34:             txtShow.Text = folderBrowserDialog1.SelectedPath;

35:         }

36:     }

37: }