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ToolStrip.BeginDrag Event

Occurs when the user begins to drag the ToolStrip control.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
public event EventHandler BeginDrag

For more information about handling events, see Consuming Events.

The following code example demonstrates the use of BeginDrag and EndDrag with a ToolStrip and a ToolStripContainer.


using System;
using System.Windows.Forms;

public class Form1 : Form
{
    private ToolStripContainer toolStripContainer1;
    private ToolStrip toolStrip1;
    private RichTextBox richTextBox1;

    public Form1()
    {
        DragToolStrip();
    }
    [STAThread]
    static void Main()
        {
            Application.EnableVisualStyles();
            Application.Run(new Form1());
        }

        private void DragToolStrip()
        {
        // Create a ToolStripContainer.
        toolStripContainer1 = new System.Windows.Forms.ToolStripContainer();
        toolStripContainer1.Dock = System.Windows.Forms.DockStyle.Fill;
        Controls.Add(toolStripContainer1);

        // Create a ToolStrip and add items to it.
        toolStrip1 = new System.Windows.Forms.ToolStrip();
        toolStrip1.Items.Add("One");
        toolStrip1.Items.Add("Two");
        toolStrip1.Items.Add("Three");

        // Add the ToolStrip to the top panel of the ToolStripContainer.
        toolStripContainer1.TopToolStripPanel.Controls.Add(toolStrip1);

        // Create a RichTextBox and add it to the ContentPanel.
        richTextBox1 = new System.Windows.Forms.RichTextBox();
        richTextBox1.Location = new System.Drawing.Point(94, 61);
        toolStripContainer1.ContentPanel.Controls.Add(richTextBox1);

        // Attach event handlers for the BeginDrag and EndDrag events.
        toolStrip1.BeginDrag += new System.EventHandler(toolStrip1_BeginDrag);
        toolStrip1.EndDrag += new System.EventHandler(toolStrip1_EndDrag);
    }
    // Clear any text from the RichTextBox when a drag operation begins.
    private void toolStrip1_BeginDrag(object sender, EventArgs e)
    {
        richTextBox1.Text = "";
    }
    // Notify the user when the drag operation ends.
    private void toolStrip1_EndDrag(object sender, EventArgs e)
    {
        richTextBox1.Text="The drag operation is complete.";
    }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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