readme.wzd

来自「本书通过85个实例全面讲述了应用MFC进行Visual C++编程的思想。每个实」· WZD 代码 · 共 94 行

/////////////////////////////////////////////////////////////////////
// Modify any class that receives window messages.
/////////////////////////////////////////////////////////////////////

// 1) use the ClassWizard to override the PreTranslateMessage() function
BOOL CWzdView::PreTranslateMessage(MSG* pMsg) 
{

// 2) to process keystrokes when the ALT key is not pressed or is pressed with CTRL key....
	if (pMsg->message==WM_KEYDOWN)
	{
		BOOL bCtrl=::GetKeyState(VK_CONTROL)&0x8000;
		BOOL bShift=::GetKeyState(VK_SHIFT)&0x8000;
		BOOL bAlt=::GetKeyState(VK_MENU)&0x8000; //only gets here if CTRL key is pressed
		switch(pMsg->wParam)
		{
			case 'N':
				if (bAlt&&bShift) //&&bCtrl assumed
					:	:	:

				else if (bShift&&bCtrl)
					:	:	:

				else if (bAlt) //&&bCtrl assumed
					:	:	:

				else if (bCtrl)
					:	:	:

				else if (bShift)
					:	:	:

				else
					:	:	:

				return TRUE; // translated

			case VK_ESCAPE:
				if (bShift)
					:	:	:

				return TRUE; // translated


			case VK_DELETE:
					:	:	:

				return TRUE; // translated

			case VK_INSERT:
					:	:	:

				return TRUE; // translated
		}
	}

// 3) to process keystrokes when the ALT key is pressed but not with CTRL key....
	else if (pMsg->message==WM_SYSKEYDOWN)
	{
		BOOL bShift=::GetKeyState(VK_SHIFT)&0x8000;
		switch(pMsg->wParam)
		{
			case 'N':
				if (bShift)
					:	:	:

				else
					:	:	:

				return TRUE; // translated


			case VK_DELETE:
					:	:	:

				return TRUE; // translated

			case VK_INSERT:
					:	:	:

				return TRUE; // translated
		}
	}
	
	return CView::PreTranslateMessage(pMsg);
}


/////////////////////////////////////////////////////////////////////
// From: Visual C++ MFC Programming by Example by John E. Swanke
// Copyright (C) 1998 jeswanke. All rights reserved.
/////////////////////////////////////////////////////////////////////