mainfrm.cpp

visual c 灵感编程的1-20节源码

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "自动停靠窗口.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
	ON_WM_CREATE()
	ON_WM_WINDOWPOSCHANGING()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs
cs.cx=400;    //修改主窗口的位置和大小
cs.cy=300;
cs.x=200;     
cs.y=150;
	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers


int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	
	return 0;
}
void CMainFrame::OnWindowPosChanging( WINDOWPOS* lpwndpos )
{
   RECT WorkAREA;
   SystemParametersInfo(SPI_GETWORKAREA,0,&WorkAREA,0);
   
   //SystemParametersInfo(SPI_SETDRAGFULLWINDOWS,TRUE,NULL,0);
   if(lpwndpos->x-WorkAREA.left<50)         //靠近左边
        lpwndpos->x=0;
   if(WorkAREA.right-lpwndpos->x-lpwndpos->cx<50)//靠近右边
        lpwndpos->x=WorkAREA.right-lpwndpos->cx;
    if(lpwndpos->y-WorkAREA.top<50)         //靠近上边
        lpwndpos->y=0;
   if(WorkAREA.bottom-lpwndpos->y-lpwndpos->cy<50)//靠近下边
        lpwndpos->y=WorkAREA.bottom-lpwndpos->cy;
}