protected void OnMouseMove(EventArgsMouse ehargs)
{
if (EhMouseMove == null)
{
return;
}
this.EhMouseMove(this, ehargs);
}
protected void OnMouseDown(EventArgsMouse ehargs)
{
if (EhMouseDown == null)
{
return;
}
this.EhMouseDown(this, ehargs);
}
protected void OnMouseClick(EventArgsMouse ehargs)
{
if (EhMouseClick == null)
{
return;
}
this.EhMouseClick(this, ehargs);
}
protected void OnMouseWheel(EventArgsMouse ehargs)
{
if (EhMouseWheel == null)
{
return;
}
this.EhMouseWheel(this, ehargs);
}
int HookProcCallback(int nCode, IntPtr wParam, IntPtr lParam)
{
EventArgsMouse ehargs = null;
if (nCode >= 0)
{
try
{
var hookType = (CtkEnumConst)wParam;
var mouseHookStruct = (CtkMdlHookMouseStruct)Marshal.PtrToStructure(lParam, typeof(CtkMdlHookMouseStruct));
short mouseDelta = 0;
if (hookType == CtkEnumConst.WM_MOUSEWHEEL)
{
mouseDelta = (short)((mouseHookStruct.mouseData >> 16) & 0xffff);
}
ehargs = new EventArgsMouse(hookType, mouseHookStruct.dx, mouseHookStruct.dy, mouseDelta);
if (hookType == CtkEnumConst.WM_MOUSEWHEEL)
{
this.OnMouseWheel(ehargs);
}
else if (hookType == CtkEnumConst.WM_LBUTTONUP || hookType == CtkEnumConst.WM_RBUTTONUP || hookType == CtkEnumConst.WM_MBUTTONUP)
{
this.OnMouseUp(ehargs);
if (mouseHookStruct.dx == m_LastBTDownX && mouseHookStruct.dy == m_LastBTDownY)
{
this.OnMouseClick(ehargs);
}
}
else if (hookType == CtkEnumConst.WM_LBUTTONDOWN || hookType == CtkEnumConst.WM_RBUTTONDOWN || hookType == CtkEnumConst.WM_MBUTTONDOWN)
{
m_LastBTDownX = mouseHookStruct.dx;
m_LastBTDownY = mouseHookStruct.dy;
this.OnMouseDown(ehargs);
}
else if (m_OldX != mouseHookStruct.dx || m_OldY != mouseHookStruct.dy)
{
m_OldX = mouseHookStruct.dx;
m_OldY = mouseHookStruct.dy;
this.OnMouseMove(ehargs);
}
}
catch (Exception ex)
{
//給背景執行緒處理, 再出Exception也與原執行緒無關, 可以正常工作
ThreadPool.QueueUserWorkItem(delegate { this.OnHookCallbackException(new CtkWinApiEventArgsException()
{
exception = ex
}); });
}
}
if (Monopolize || (ehargs != null && ehargs.Handled))
{
return(-1);
}
return(CtkUser32Lib.CallNextHookEx(intPtrHook, nCode, wParam, lParam));
}