sbutton.cpp

实现钉子按钮

// SButton.cpp : implementation file
//

#include "stdafx.h"
#include "钉子按钮.h"
#include "SButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSButton

CSButton::CSButton()
{
	
}

CSButton::~CSButton()
{
}


BEGIN_MESSAGE_MAP(CSButton, CButton)
	//{{AFX_MSG_MAP(CSButton)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSButton message handlers

void CSButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	CRect client=lpDrawItemStruct->rcItem;
	CDC *pDC=CDC::FromHandle(lpDrawItemStruct->hDC);

	DWORD state=lpDrawItemStruct->itemState;
	CBrush brush(RGB(0,255,0));
	//brush.CreateSolidBrush(::GetSysColor(COLOR_BTNFACE));
    pDC->FillRect(client,&brush);
	
	if(m_state)
	{
		pDC->StretchBlt(client.left,client.top,client.Width(),client.Height(),&memdc,0,0,24,21,SRCCOPY);
		GetParent()->SetWindowPos(&CWnd::wndTopMost,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
	}
	else
	{
		pDC->StretchBlt(client.left,client.top,client.Width(),client.Height(),&memdc2,0,0,24,21,SRCCOPY);
		GetParent()->SetWindowPos(&CWnd::wndNoTopMost,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
	}



}

void CSButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	m_state=!m_state;
	CButton::OnLButtonDown(nFlags, point);
}

void CSButton::PreSubclassWindow() 
{
	m_state=FALSE;
	bitmap.LoadBitmap(IDB_BITMAP1);
	bitmap2.LoadBitmap(IDB_BITMAP2);
	CDC *pDC=GetDC();
	memdc.CreateCompatibleDC(pDC);
	memdc.SelectObject(&bitmap);
	memdc2.CreateCompatibleDC(pDC);
	memdc2.SelectObject(&bitmap2);
    CButton::PreSubclassWindow();
}