Gets or sets the character corresponding to the key pressed.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Use theproperty to sample keystrokes at run time and to modify keystrokes under special run-time circumstances. For example, you can use to disable non-numeric keypresses when the user enters a ZIP code, change all alphabetical keypresses to uppercase in a data entry field, or monitor the keyboard or other key input device for specific key combinations.
You can get or set the following keys:
Number keys, both across the top of the keyboard and on the numeric keypad.
You cannot get or set the following keys:
The TAB key.
INSERT and DELETE.
PAGE UP and PAGE DOWN.
For information about how to detect any of the non-character keys mentioned above, see the KeyEventArgs class.
The following example creates a TextBox control. The keypressed method uses the property to check whether the ENTER key pressed. If the ENTER key is pressed, the Handled property is set to true, which indicates the event is handled.
Imports System Imports System.Windows.Forms Public Class Form1 Inherits Form Public Sub New() ' Create a TextBox control. Dim tb As New TextBox() Me.Controls.Add(tb) AddHandler tb.KeyPress, AddressOf keypressed End Sub 'NewNew Private Sub keypressed(ByVal o As [Object], ByVal e As KeyPressEventArgs) ' The keypressed method uses the KeyChar property to check ' whether the ENTER key is pressed. ' If the ENTER key is pressed, the Handled property is set to true, ' to indicate the event is handled. If e.KeyChar = Microsoft.VisualBasic.ChrW(Keys.Return) Then e.Handled = True End If End Sub 'keypressed Public Shared Sub Main() Application.Run(New Form1()) End Sub 'Main End Class 'Form1
Available since 1.1