screensnapdlg.h

截取屏幕部分

//////////////////////////////////////////////////////////////////////////////
//类名：CScreenSnapDlg
//功能：轻松抓图实现对话框
/////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_SCREENSNAPDLG_H__D4665716_115D_40D9_8A39_60777EA17013__INCLUDED_)
#define AFX_SCREENSNAPDLG_H__D4665716_115D_40D9_8A39_60777EA17013__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CScreenSnapDlg dialog
#include "WBButton.h"		//加入位图按钮类
#include "HyperLink.h"		//加入超链接类
#include "PictureEx.h"		//加入GIF动态图像显示
#include "NTray.h"			//加入系统托盘支持头文件

class CScreenSnapDlg : public CDialog
{
// Construction
public:
	CScreenSnapDlg(CWnd* pParent = NULL);							  // standard constructor

	
// Dialog Data
	//{{AFX_DATA(CScreenSnapDlg)
	enum { IDD = IDD_SCREENSNAP_DIALOG };
	CStatic	m_Description;
	CWBButton	m_Save;
	CWBButton	m_Hide;
	CWBButton	m_Exit;
	CWBButton	m_Snap;
	CWBButton	m_About;
	CString		m_Usage;
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CScreenSnapDlg)
	public:
	virtual BOOL DestroyWindow();
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);					// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	HICON			m_hIcon;											//系统托盘支持设置变量
	CTrayNotifyIcon m_TrayIcon;

	HWND m_hwndFoundWindow;                                             //选中图像窗体的句柄
	BOOL m_bStartSnapWindow;											//是否开始抓取图像窗体操作

	//窗体显示/隐藏的动画效果  
	void WinAnimation(BOOL ShowFlag);									

	//将选中图像复制到系统剪切板中
	void toClipboard(CWnd * wnd, BOOL FullWnd);
	void toClipboard_Bio(CWnd * wnd, BOOL FullWnd);
	BOOL CaptureWindowToClipboard (HWND hwndToCapture);

	//位图转换(DDB转DIB)
	HANDLE DDBToDIB( CBitmap& bitmap, DWORD dwCompression = BI_RGB); 
	
	//刷新及高亮显示选中的窗体图像
	long RefreshWindow(HWND hwndWindow);
	long HighlightFoundWindow(HWND hwndFoundWindow);

	//检验窗口的有效性
	BOOL CheckWindowValidity(HWND hwndToCheck);

	//保存为位图文件
	BOOL SaveBitmapToFile(HBITMAP hBitmap , CString lpFileName);

	// Generated message map functions
	//{{AFX_MSG(CScreenSnapDlg)
	afx_msg LRESULT OnTrayNotification(WPARAM wParam, LPARAM lParam);  //自定义系统拖盘消息
	afx_msg LRESULT OnHotKey(WPARAM wParam, LPARAM lParam);			   //自定义系统热键
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnScreensnap();
	afx_msg void OnAbout();
	afx_msg void OnShowhide();
	afx_msg void OnExit();
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnHideWindow();
	afx_msg void OnSnapWindow();
	afx_msg void OnSavebmp();
	afx_msg void OnSaveBmp();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_SCREENSNAPDLG_H__D4665716_115D_40D9_8A39_60777EA17013__INCLUDED_)