C# Signature:

[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
static extern bool UnregisterHotKey(IntPtr hWnd, int id);

VB Signature:

Declare Auto Function UnregisterHotKey Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal id As Integer) As Integer

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

    Declare Auto Function RegisterHotKey Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal id As Integer, _
        ByVal fsModifier As Integer, ByVal vk As Integer) As Integer
    Declare Auto Function UnregisterHotKey Lib "user32.dll" (ByVal hWnd As IntPtr, ByVal id As Integer) As Integer
    Declare Auto Function GlobalAddAtom Lib "kernel32.dll" (ByVal lpString As String) As UShort

    Private hotKeyID As Integer

    Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing
        UnregisterHotKey(Me.Handle, hotKeyID)
    End Sub

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        hotKeyID = GlobalAddAtom("Form1HotKey")
        RegisterHotKey(Me.Handle, hotKeyID, 0, Keys.Escape)
    End Sub

    Protected Overrides Sub WndProc(ByRef m As Message)
        Const WM_HOTKEY As Integer = &H312

        Select Case m.Msg
            Case WM_HOTKEY
            Me.Close()
        End Select

        MyBase.WndProc(m)
    End Sub

Alternative Managed API:

The ManagedWindowsApi project (http://mwinapi.sourceforge.net) provides a

Hotkey class to register global hotkeys.

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