ModifierKeys Property
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Control.ModifierKeys Property


Gets a value indicating which of the modifier keys (SHIFT, CTRL, and ALT) is in a pressed state.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public static Keys ModifierKeys { get; }

Property Value

Type: System.Windows.Forms.Keys

A bitwise combination of the Keys values. The default is None.

The following code example hides a button when the CTRL key is pressed while the button is clicked. This example requires that you have a Button named button1 on a Form.

private void button1_Click(object sender, System.EventArgs e)
   /* If the CTRL key is pressed when the 
      * control is clicked, hide the control. */
   if(Control.ModifierKeys == Keys.Control)

.NET Framework
Available since 1.1
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