Shape.KeyUp Event

Occurs when a key is released and the shape has focus.

Namespace:  Microsoft.VisualBasic.PowerPacks
Assembly:  Microsoft.VisualBasic.PowerPacks.Vs (in Microsoft.VisualBasic.PowerPacks.Vs.dll)

Syntax

'Declaration
<BrowsableAttribute(True)> _
Public Event KeyUp As KeyEventHandler
'Usage
Dim instance As Shape 
Dim handler As KeyEventHandler 

AddHandler instance.KeyUp, handler

[BrowsableAttribute(true)]
public event KeyEventHandler KeyUp

[BrowsableAttribute(true)]
public:
 event KeyEventHandler^ KeyUp {
    void add (KeyEventHandler^ value);
    void remove (KeyEventHandler^ value);
}

JScript does not support events.

Remarks

Key events occur in the following order:

KeyDown

KeyPress

KeyUp

To handle keyboard events only at the form level and not enable shapes to receive keyboard events, set the Handled property in the form's KeyPress event-handling method to true.

For more information about how to handle events, see Consuming Events.

Examples

The following example uses the KeyUp event together with the Help class to display pop-up style Help to the user.

This example requires that you have a OvalShape control named OvalShape1 on a form.

Private Sub OvalShape1_KeyUp(ByVal sender As Object, _
 ByVal e As System.Windows.Forms.KeyEventArgs) Handles _
 OvalShape1.KeyUp
    ' Determine whether the key entered is the F1 key.  
    ' Display Help if it is. 
    If e.KeyCode = Keys.F1 Then 
        ' Display a pop-up Help message to assist the user.
        Help.ShowPopup(OvalShape1.Parent, _
          "This represents a router.", New  _
          Point(500, 500))
    End If 
End Sub

private void ovalShape1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)
{
    // Determine whether the key entered is the F1 key.  
    // Display Help if it is. 
    if (e.KeyCode == Keys.F1)
    // Display a pop-up Help message to assist the user.
    {
        Help.ShowPopup(ovalShape1.Parent, "This represents a router.", 
            new Point(500, 500));
    }
}

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

Shape Class

Shape Members

Microsoft.VisualBasic.PowerPacks Namespace

Other Resources

How to: Draw Lines with the LineShape Control (Visual Studio)

How to: Draw Shapes with the OvalShape and RectangleShape Controls (Visual Studio)

Introduction to the Line and Shape Controls (Visual Studio)