Search
Module:
Directory

   Desktop Functions:

   Smart Device Functions:


Show Recent Changes
Subscribe (RSS)
Misc. Pages
Comments
FAQ
Helpful Tools
Playground
Suggested Reading
Website TODO List
Support Forum
Download Visual Studio Add-In

Terms of Use
Privacy Policy
registerhotkey (user32)
 
.
Summary

C# Signature:

[DllImport("user32.dll")]
static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers,
   uint vk);

VB Signature:

<DllImport("user32.dll")> _
Public Shared Function RegisterHotKey(ByVal hWnd As IntPtr, ByVal id As Integer, ByVal fsModifier As Integer, ByVal vk As Integer) As Integer
End Function

User-Defined Types:

None.

Notes:

None.

Tips & Tricks:

Please add some!

Sample Code:

    [DllImport("user32")]
    public static extern int RegisterHotKey(IntPtr hwnd, int id, int fsModifiers, int vk);
    [DllImport("user32.dll")]
    static extern bool UnregisterHotKey(IntPtr hWnd, int id);
    private const int MOD_ALT = 0x1;
    private const int MOD_CONTROL = 0x2;
    private const int MOD_SHIFT = 0x4;
    private const int MOD_WIN = 0x8;
    private const int WM_HOTKEY = 0x312;

    public frmMain()
    {
        // Assigns the hotkey WIN+T
        // 42 is (as always) a magic number
        RegisterHotKey( this.Handle, 42, MOD_WIN, (int)Keys.T );
    }

    protected override void WndProc(ref Message m)
    {
        base.WndProc (ref m);
        if( m.Msg == WM_HOTKEY )
        {
            if( !this.Visible )
                this.Visible = true;
            this.Activate();
        }
    }

    private void frmMain_Closing(object sender, System.ComponentModel.CancelEventArgs e)
    {
        UnregisterHotKey( this.Handle, 42 );
    }

Alternative Managed API:

Do you know one? Please contribute it!

Documentation

Please edit this page!

Do you have...

  • helpful tips or sample code to share for using this API in managed code?
  • corrections to the existing content?
  • variations of the signature you want to share?
  • additional languages you want to include?

Select "Edit This Page" on the right hand toolbar and edit it! Or add new pages containing supporting types needed for this API (structures, delegates, and more).

 
Access PInvoke.net directly from VS:
Terms of Use
Find References
Show Printable Version
Revisions