wpf树形下拉框 自定义用户控件源码

【实例截图】

【核心代码】

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace TestApp
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private Verlinea.ComboBoxTree.ComboBoxTree comboBoxTree1;
		private System.Windows.Forms.Button button1;
		private System.ComponentModel.IContainer components;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
            System.Windows.Forms.TreeNode treeNode1 = new System.Windows.Forms.TreeNode("Node0");
            System.Windows.Forms.TreeNode treeNode2 = new System.Windows.Forms.TreeNode("subnode2");
            System.Windows.Forms.TreeNode treeNode3 = new System.Windows.Forms.TreeNode("subnode1", new System.Windows.Forms.TreeNode[] {
            treeNode2});
            System.Windows.Forms.TreeNode treeNode4 = new System.Windows.Forms.TreeNode("subnode0", new System.Windows.Forms.TreeNode[] {
            treeNode3});
            System.Windows.Forms.TreeNode treeNode5 = new System.Windows.Forms.TreeNode("Node1", new System.Windows.Forms.TreeNode[] {
            treeNode4});
            System.Windows.Forms.TreeNode treeNode6 = new System.Windows.Forms.TreeNode("Node2");
            System.Windows.Forms.TreeNode treeNode7 = new System.Windows.Forms.TreeNode("Node3");
            this.comboBoxTree1 = new Verlinea.ComboBoxTree.ComboBoxTree();
            this.button1 = new System.Windows.Forms.Button();
            this.SuspendLayout();
            // 
            // comboBoxTree1
            // 
            this.comboBoxTree1.AbsoluteChildrenSelectableOnly = true;
            this.comboBoxTree1.BranchSeparator = ".";
            this.comboBoxTree1.Imagelist = null;
            this.comboBoxTree1.Location = new System.Drawing.Point(10, 17);
            this.comboBoxTree1.Name = "comboBoxTree1";
            treeNode1.Name = "";
            treeNode1.Text = "Node0";
            treeNode2.Name = "";
            treeNode2.Text = "subnode2";
            treeNode3.Name = "";
            treeNode3.Text = "subnode1";
            treeNode4.Name = "";
            treeNode4.Text = "subnode0";
            treeNode5.Name = "";
            treeNode5.Text = "Node1";
            treeNode6.Name = "";
            treeNode6.Text = "Node2";
            treeNode7.Name = "";
            treeNode7.Text = "Node3";
            this.comboBoxTree1.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
            treeNode1,
            treeNode5,
            treeNode6,
            treeNode7});
            this.comboBoxTree1.Size = new System.Drawing.Size(240, 22);
            this.comboBoxTree1.TabIndex = 0;
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(259, 17);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(90, 25);
            this.button1.TabIndex = 1;
            this.button1.Text = "button1";
            this.button1.Click  = new System.EventHandler(this.button1_Click);
            // 
            // Form1
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(466, 94);
            this.Controls.Add(this.button1);
            this.Controls.Add(this.comboBoxTree1);
            this.Name = "Form1";
            this.Text = "ComboBoxTree";
            this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void button1_Click(object sender, System.EventArgs e)
		{
			MessageBox.Show(this.comboBoxTree1.ValidateText().ToString());
		}
	}
}