100 lines
2.8 KiB
C#

using System;
using System.Runtime.InteropServices;
namespace DevComponents.DotNetBar
{
/// <summary>
/// Summary description for WindowsHook.
/// </summary>
internal class WindowsHook:IDisposable
{
[StructLayout(LayoutKind.Sequential)]
private struct CWPSTRUCT
{
public int lParam;
public int wParam;
public int message;
public int hwnd;
}
[DllImport("user32")]
private static extern int SetWindowsHookEx(int HookType, CWPCallBack pfnCallBack, uint hInstance, int dwThreadId);
[DllImport("user32")]
private static extern int CallNextHookEx(int CurrentHookHandle, int nCode, int wParam, ref CWPSTRUCT lParam);
[DllImport("user32")]
private static extern bool UnhookWindowsHookEx(int HookHandle);
[DllImport("kernel32")]
private static extern int GetLastError();
[DllImport("kernel32.dll")]
private static extern uint GetModuleHandle([MarshalAs(UnmanagedType.LPTStr)]string /*LPCTSTR*/ lpModuleName);
private delegate int CWPCallBack(int nCode, int wParam, ref CWPSTRUCT lParam);
private const int WH_CALLWNDPROC=4;
private const int WH_GETMESSAGE = 3;
private const int WH_MOUSE = 7;
private int m_HookHandle=0;
private DotNetBarManager m_DotNetBar=null;
public WindowsHook(DotNetBarManager dm)
{
m_DotNetBar=dm;
}
public void Dispose()
{
this.UnHook();
}
public void Hook()
{
//uint m=GetModuleHandle(null);
//System.Windows.Forms.MessageBox.Show("Module="+GetLastError().ToString());
m_HookHandle=SetWindowsHookEx(WH_CALLWNDPROC,new CWPCallBack(this.HookCallBack),0,System.AppDomain.GetCurrentThreadId());
if(m_HookHandle==0)
Console.WriteLine("HOOOK DOES NOT WORK="+GetLastError().ToString());
}
public void UnHook()
{
if(m_HookHandle!=0)
{
UnhookWindowsHookEx(m_HookHandle);
m_HookHandle=0;
}
}
public bool Hooked
{
get
{
if(m_HookHandle!=0)
return true;
return false;
}
}
private int HookCallBack(int nCode, int wParam, ref CWPSTRUCT lParam)
{
if(lParam.message == NativeFunctions.WM_SYSKEYDOWN)
{
//m_DotNetBar.OnSysKeyDown(lParam.hwnd,lParam.wParam,lParam.lParam);
}
else if(lParam.message == NativeFunctions.WM_SYSKEYUP)
{
//m_DotNetBar.OnSysKeyUp(lParam.hwnd,lParam.wParam,lParam.lParam);
}
else if(lParam.message == NativeFunctions.WM_KEYDOWN)
{
//m_DotNetBar.OnKeyDown(lParam.hwnd,lParam.wParam,lParam.lParam);
}
else if(lParam.message == NativeFunctions.WM_LBUTTONDOWN || lParam.message==NativeFunctions.WM_NCLBUTTONDOWN ||
lParam.message==NativeFunctions.WM_RBUTTONDOWN || lParam.message==NativeFunctions.WM_MBUTTONDOWN ||
lParam.message==NativeFunctions.WM_NCMBUTTONDOWN || lParam.message==NativeFunctions.WM_NCRBUTTONDOWN)
{
//m_DotNetBar.OnMouseDown(lParam.hwnd,lParam.wParam,lParam.lParam);
}
return CallNextHookEx(m_HookHandle,nCode,wParam,ref lParam);
}
}
}