MouseEventArgs.Button Property

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Source:

MouseEventArgs.cs

Gets which mouse button was pressed.

C#

public System.Windows.Forms.MouseButtons Button { get; }

Property Value

MouseButtons

One of the MouseButtons values.

Examples

The following code example handles the MouseDown event on a TextBox control so that clicking the right mouse button selects all the text in the control. This example requires that you have a form that contains a TextBox control named textBox1.

C#

private void Form1_Load(object sender, EventArgs e)
{
    // This line suppresses the default context menu for the TextBox control. 
    textBox1.ContextMenu = new ContextMenu();
    textBox1.MouseDown += new MouseEventHandler(textBox1_MouseDown);
}

void textBox1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
{
    if (e.Button == MouseButtons.Right)
    {
        textBox1.Select(0, textBox1.Text.Length);
    }
}

Applies to

See also

• MouseButtons
• Clicks
• Delta
• Location