tabcontrol动态生成选项卡，并且在选项卡中添加窗体

http://blog.csdn.net/zx13525079024/article/details/6084733

今天在论坛上看到有人问到，如果在点击TRVEVIEW时动态生成tabcontrol的选项卡，并在选项卡中添加窗体，于是写了一个DEMO,供大家参考

demo下载：http://download.csdn.net/source/2920757

1. public partial class Form5 : Form
2. {
3. public Form5()
4. {
5. InitializeComponent();
6. }
7. private void Form5_Load(object sender, EventArgs e)
8. {
9. TreeNode root = new TreeNode("电话缴费");
10. root.Name = "root";
11. treeView1.Nodes.Add(root);
12. TreeNode tnMobile = new TreeNode("中国移动");
13. tnMobile.Name = "mobile";
14. root.Nodes.Add(tnMobile);
15. TreeNode tnUnion = new TreeNode("中国联通");
16. tnUnion.Name = "union";
17. root.Nodes.Add(tnUnion);
18. root.Expand();
19. }
20. private TabPage tbMobile = null;
21. private TabPage tbUnion = null;
22. private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
23. {
24. if (treeView1.SelectedNode.Name=="mobile")
25. {
26. if (ErgodicModiForm("tbmobile", tabControl1))
27. {
28. tbMobile = new TabPage("中国移动");
29. tbMobile.Name = "tbmobile";
30. tabControl1.Controls.Add(tbMobile);
31. Form6 form = new Form6();
32. form.TopLevel = false;
33. form.BackColor = Color.White;
34. form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
35. form.FormBorderStyle = FormBorderStyle.None;
36. form.Show();
37. tbMobile.Controls.Add(form);
38. }
39. tabControl1.SelectedTab = tbMobile;
40. }
41. else if (treeView1.SelectedNode.Name=="union")
42. {
43. if (ErgodicModiForm("tbunion", tabControl1))
44. {
45. tbUnion = new TabPage("中国联通");
46. tbUnion.Name = "tbunion";
47. tabControl1.Controls.Add(tbUnion);
48. Form2 form = new Form2();
49. form.TopLevel = false;
50. form.BackColor = Color.White;
51. form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;
52. form.FormBorderStyle = FormBorderStyle.None;
53. form.Show();
54. tbUnion.Controls.Add(form);
55. }
56. tabControl1.SelectedTab = tbUnion;
57. }
58. }
59. /// </summary>
60. /// <param name="MainTabControlKey">选项卡的键值</param>
61. /// <param name="objTabControl">要添加到的TabControl对象</param>
62. /// <returns></returns>
63. private Boolean ErgodicModiForm(string MainTabControlKey, TabControl objTabControl)
64. {
65. //遍历选项卡判断是否存在该子窗体
66. foreach (Control con in objTabControl.Controls)
67. {
68. TabPage tab = (TabPage)con;
69. if (tab.Name == MainTabControlKey)
70. {
71. return false;//存在
72. }
73. }
74. return true;//不存在
75. }
76. }

public partial class Form5 : Form
{
public Form5()
{
InitializeComponent();
}

private void Form5_Load(object sender, EventArgs e)
{
TreeNode root = new TreeNode("电话缴费");
root.Name = "root";
treeView1.Nodes.Add(root);

TreeNode tnMobile = new TreeNode("中国移动");
tnMobile.Name = "mobile";
root.Nodes.Add(tnMobile);

TreeNode tnUnion = new TreeNode("中国联通");
tnUnion.Name = "union";
root.Nodes.Add(tnUnion);
root.Expand();

}

private TabPage tbMobile = null;
private TabPage tbUnion = null;
private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)
{

if (treeView1.SelectedNode.Name=="mobile")
{

if (ErgodicModiForm("tbmobile", tabControl1))
{
tbMobile = new TabPage("中国移动");

tbMobile.Name = "tbmobile";
tabControl1.Controls.Add(tbMobile);

Form6 form = new Form6();
form.TopLevel = false;
form.BackColor = Color.White;
form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;

form.FormBorderStyle = FormBorderStyle.None;
form.Show();
tbMobile.Controls.Add(form);

}

tabControl1.SelectedTab = tbMobile;
}
else if (treeView1.SelectedNode.Name=="union")
{

if (ErgodicModiForm("tbunion", tabControl1))
{
tbUnion = new TabPage("中国联通");
tbUnion.Name = "tbunion";
tabControl1.Controls.Add(tbUnion);

Form2 form = new Form2();
form.TopLevel = false;
form.BackColor = Color.White;
form.Anchor = AnchorStyles.Top | AnchorStyles.Left | AnchorStyles.Right;

form.FormBorderStyle = FormBorderStyle.None;
form.Show();
tbUnion.Controls.Add(form);

}
tabControl1.SelectedTab = tbUnion;
}
}

/// </summary>
/// <param name="MainTabControlKey">选项卡的键值</param>
/// <param name="objTabControl">要添加到的TabControl对象</param>
/// <returns></returns>
private Boolean ErgodicModiForm(string MainTabControlKey, TabControl objTabControl)
{
//遍历选项卡判断是否存在该子窗体
foreach (Control con in objTabControl.Controls)
{
TabPage tab = (TabPage)con;
if (tab.Name == MainTabControlKey)
{
return false;//存在
}
}
return true;//不存在
}
}