wzddlg.cpp

来自「《vc++扩展编程实例》源码。运用Visual C++ 5.0或6.0的高级编程」· C++ 代码 · 共 77 行

// WzdDlg.cpp : implementation file
//

#include "stdafx.h"
#include <afxpriv.h>
#include "wzd.h"
#include "WzdDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CWzdDialog dialog


CWzdDialog::CWzdDialog(CWnd* pParent /*=NULL*/)
	: CDialog(CWzdDialog::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWzdDialog)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CWzdDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWzdDialog)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CWzdDialog, CDialog)
	//{{AFX_MSG_MAP(CWzdDialog)
	ON_WM_HELPINFO()
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_HELPHITTEST,OnHelpHitTest)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWzdDialog message handlers

BOOL CWzdDialog::OnHelpInfo(HELPINFO* pHelpInfo) 
{
	if (pHelpInfo->iContextType == HELPINFO_WINDOW)
	{
		DWORD helpId = -1;
		CWnd* pWnd = GetDlgItem(pHelpInfo->iCtrlId);
		if (pWnd)
		{
			helpId = pWnd->GetWindowContextHelpId();
		}
		AfxGetApp()->WinHelp(helpId, HELP_CONTEXTPOPUP);
	}
	
//	return CDialog::OnHelpInfo(pHelpInfo);
	return TRUE;
}


LRESULT CWzdDialog::OnHelpHitTest(WPARAM wParam, LPARAM lParam)
{
	DWORD helpId = -1;
	// find the window that was clicked
	CWnd* pWnd =  ChildWindowFromPoint(CPoint(LOWORD(lParam), HIWORD(lParam)), 
		CWP_SKIPINVISIBLE|CWP_SKIPTRANSPARENT);
	if (pWnd)
	{
		helpId = pWnd->GetWindowContextHelpId();
	}
	return helpId;
}