/// <summary>
/// 安装Window钩子到主线程
/// </summary>
/// <param name="hookType">钩子类型</param>
/// <param name="callBack">回调函数</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentException"></exception>
/// <returns></returns>
public static bool HookWindow(WinHookType hookType, WinHookCallback callBack)
{
if (callBack == null)
{
throw new ArgumentNullException("callBack");
}
if (Enum.IsDefined(typeof(WinHookType), hookType) == false)
{
throw new ArgumentException("hookType的值无效");
}
var callBackPointer = Marshal.GetFunctionPointerForDelegate(callBack);
var state = Extern.HookWindow((int)hookType, callBackPointer);
if (state == true)
{
ReferenceTable.AddRef(callBack);
}
return(state);
}
private static extern int SetWindowsHookEx(WinHookType idHook,
WinHookProcedure lpfn,
IntPtr hMod,
int dwThreadId);
/// <summary>
/// 反安装Window钩子
/// </summary>
/// <param name="hookType">钩子类型</param>
public static void UnHookWindow(WinHookType hookType)
{
Extern.UnHookWindow((int)hookType);
}
internal static extern int CallNextHookEx(WinHookType idHook, int nCode, IntPtr wParam, IntPtr lParam);
