资源简介
c++ 屏幕截图源程序,这个截图程序思路清晰,大家很快能明白qq截图的原理
代码片段和文件信息
// CatchScreen.cpp : Defines the class behaviors for the application.
// Download by http://www.codefans.net
#include “stdafx.h“
#include “CatchScreen.h“
#include “CatchScreenDlg.h“
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CCatchScreenApp
BEGIN_MESSAGE_MAP(CCatchScreenApp CWinApp)
//{{AFX_MSG_MAP(CCatchScreenApp)
// NOTE - the ClassWizard will add and remove mapping macros here.
// DO NOT EDIT what you see in these blocks of generated code!
//}}AFX_MSG
ON_COMMAND(ID_HELP CWinApp::onhelp)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CCatchScreenApp construction
CCatchScreenApp::CCatchScreenApp()
{
// TODO: add construction code here
// Place all significant initialization in InitInstance
m_hwndDlg=NULL;
}
/////////////////////////////////////////////////////////////////////////////
// The one and only CCatchScreenApp object
CCatchScreenApp theApp;
/////////////////////////////////////////////////////////////////////////////
// CCatchScreenApp initialization
BOOL CCatchScreenApp::InitInstance()
{
// Standard initialization
// If you are not using these features and wish to reduce the size
// of your final executable you should remove from the following
// the specific initialization routines you do not need.
#ifdef _AFXDLL
Enable3dControls(); // Call this when using MFC in a shared DLL
#else
Enable3dControlsStatic(); // Call this when linking to MFC statically
#endif
CCatchScreenDlg dlg;
m_pMainWnd = &dlg;
int nResponse = dlg.DoModal();
if (nResponse == IDOK)
{
// TODO: Place code here to handle when the dialog is
// dismissed with OK
}
else if (nResponse == IDCANCEL)
{
// TODO: Place code here to handle when the dialog is
// dismissed with Cancel
}
// Since the dialog has been closed return FALSE so that we exit the
// application rather than start the application‘s message pump.
return FALSE;
}
//********************************************************************************
#define SHIFTED 0x8000
//********************************************************************************
BOOL CCatchScreenApp::ProcessMessageFilter(int code LPMSG lpMsg)
{
// TODO: Add your specialized code here and/or call the base class
if(m_hwndDlg!=NULL)
{ //判断消息,如果消息是从对话框发出的或者其子控件发出的,就进行处理
if((lpMsg->hwnd==m_hwndDlg) || ::IsChild(m_hwndDlglpMsg->hwnd))
{
//如果消息是WM_KEYDOWN
//用方向键调整位置
if(lpMsg->message==WM_KEYDOWN)
{
CRect rect(0000);
CCatchScreenDlg * pDlg=(CCatchScreenDlg *)AfxGetMainWnd();
rect=pDlg->m_rectTracker.m_rect;
if(pDlg->m_bFirstDraw)
{
//如果Shift键按下则方向键调整大小
BOOL isShifeDowm=FALSE;
int nVirtKey;
nVirtKey = GetKeyState(VK_SHIFT);
属性 大小 日期 时间 名称
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