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samuri25404
Grandmaster Cheater
 Reputation: 7
Joined: 04 May 2007
Posts: 955
Location: Why do you care?
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 Posted: Tue Feb 05, 2008 6:48 pm Post subject: [C#] Mouse Hook! |
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Ok, I'm going to get straight to the point, because I have things that I need to do (*cough*homework*cough*)
Now, this is going to show you how to modify my keyboard hook that I posted before to support mouse clicks as well.
First, we need to go ahead and declare the unmanaged structs:
| Code: |
[StructLayout(LayoutKind.Sequential)]
private struct POINT
{
public int x;
public int y;
}
[StructLayout(LayoutKind.Sequential)]
private struct MSLLHOOKSTRUCT
{
public POINT pt;
public uint mouseData;
public uint flags;
public uint time;
public IntPtr dwExtraInfo;
}
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Then, let's go ahead and declare our WM enum, with the Mouse messages:
| Code: |
public enum WM
{
WM_LBUTTONDOWN = 0x0201,
WM_LBUTTONUP = 0x0202,
WM_MOUSEMOVE = 0x0200,
WM_MOUSEWHEEL = 0x020A,
WM_RBUTTONDOWN = 0x0204,
WM_RBUTTONUP = 0x0205
}
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Next, we need to modify our KeyHandler (I'll be using the one without customizable hotkeys, just for simplicity's sake--do note that it is possible to create something like that, and it wouldn't be very hard, you just have to use your brain  .):
| Code: |
public static void KeyHandler(IntPtr wParam, IntPtr lParam)
{
int key = Marshal.ReadInt32(lParam);
Hook.VK vk = (Hook.VK)key;
if (vk == null) //it's a mouse option
{
DoMouse(wParam, lParam);
return;
}
switch(vk)
{
case Hook.VK.F5: MessageBox.Show("You pressed F5!");
break;
case Hook.VK.F6: MessageBox.Show("You pressed F6!");
break;
//etc...
default: break;
}
}
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And let's create our mouse handler
| Code: |
public static void DoMouse(IntPtr wParam, IntPtr lParam)
{
Hook.WM wm = (Hook.WM)wParam;
if (wm == null) return;
//get our structure
Hook.MSLLHOOKSTRUCT mouse_params = (Hook.MSLLHOOKSTRUCT)Marshal.PtrToStructure(lParam, typeof(Hook.MSLLHOOKSTRUCT));
LblX.Text = mouse_params.pt.X;
LblY.Text = mouse_params.pt.Y;
}
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~~
Hope I've helped someone.
CREDITS
This was highly influenced by this
article--meaning that I DID NOT WRITE MOST OF THIS CODE, I SIMPLY BROUGHT IT HERE FOR OTHERS TO USE.
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Flyte
Peanuts!!!!
 Reputation: 6
Joined: 19 Apr 2006
Posts: 1887
Location: Canada
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| Posted: Tue Feb 05, 2008 7:22 pm Post subject: |
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I would like to point out that not everything you write should end up in this section. Something short and too the point such as this is better of in the normal programming section. 
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samuri25404
Grandmaster Cheater
Reputation: 7
Joined: 04 May 2007
Posts: 955
Location: Why do you care?
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| Posted: Tue Feb 05, 2008 8:19 pm Post subject: |
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=P
It may be short and to the point, but it could quite possibly help someone. It follows the same ideas as the keyboard hook, but okey.
I'll keep that in mind. =p
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