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You need to call the Win32 GetKeyState function. The following program snippet shows how to call it. Note that I did not include the form layout code in the sample.
Imports System.Runtime.InteropServices Public Class Win32 Declare Auto Function GetKeyState Lib "user32.dll" _ (ByVal nVirtKey As Integer) As Integer End Class Public Class Form1 Inherits System.Windows.Forms.Form Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) _ Handles Button1.Click ' &H2D is VK_INSERT. Dim x As Integer = Win32.GetKeyState(&H2D) If (&H1 = (&H1 And x)) Then Label1.Text = "Insert key down" Else Label1.Text = "Insert key up" End If End Sub End Class
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