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Perfect Semi-transparent & Shaped Dialogs with Standard, ActiveX, and Translucent Controls for Windows 2000+

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9 Feb 2010CPOL5 min read 3.2M   23.5K   226  
This article tries to find a way to show standard controls, ActiveX controls, translucent controls on layered windows. Native MFC source code provided.
// TranslucentDialog.h : ͷ�ļ�
//

#pragma once

#include "StandardDialog.h"
#include "TranslucentWnd.h"
#include <list>

typedef std::list<CTranslucentWnd*> TranslucentWndList; 

// CTranslucentDialog �Ի���
class CTranslucentDialog : public CDialog, public IRenderListener
{
// ����
public:
	CTranslucentDialog(UINT nIDTemplate, LPCTSTR lpszFile, CWnd* pParent = NULL);
	CTranslucentDialog(UINT nIDTemplate, UINT nImgID, LPCTSTR lpszType = _T("PNG"), HINSTANCE hResourceModule = NULL, CWnd* pParent = NULL);
	
	virtual ~CTranslucentDialog();

	void SetEnableDrag(bool bEnableDrag);
	void SetCenterAligned(bool bCenterAligned);

	virtual CStandardDialog* CreateStandardDialog() = 0;
	virtual void OnInitChildrenWnds() = 0;

	void RegisterTranslucentWnd(CTranslucentWnd* translucentWnd);
	void UnregisterTranslucentWnd(CTranslucentWnd* translucentWnd);

	void StartBuffered();
	void EndBuffered();
	
	virtual void OnRenderEvent(CTranslucentWnd* translucentWnd);

	void UpdateView();

// ʵ��
protected:
	BLENDFUNCTION m_blend;
	Gdiplus::Image* m_pImage;
	//RECT m_rcWindow;
	bool m_bEnableDrag;
	bool m_bCenterAligned;
	bool m_bBuffered;

	CStandardDialog* m_pStandardDlg;

	TranslucentWndList m_translucentWndList;

	virtual BOOL OnInitDialog();
	DECLARE_MESSAGE_MAP()
private:
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg void OnMove(int x, int y);
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
};

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Team Leader
China China
D.K.Wang is working for a leading interactive entertainment media company located in Shanghai, China. Skilled in Windows C++, MFC, WTL, PHP etc. Started with professional games development since 2005, now devoted to the core functionality such as graphics rendering, physics simulation and scene management for a household game engine.

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