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XScrollBar - Scroll bar like Windows Media Player's

, 2 Sep 2008 CPOL
XScrollBar is a scroll bar that may be displayed with optional thumb color, thumb gripper, and channel color
XScrollBar_demo.zip
vs2005
src
app.manifest
res
hans.ico
HorizontalScrollBarChannel.bmp
HorizontalScrollBarLeftArrow.bmp
HorizontalScrollBarRightArrow.bmp
HorizontalScrollBarThumb.bmp
HorizontalScrollBarThumbNoColor.bmp
VerticalScrollBarChannel.bmp
VerticalScrollBarDownArrow.bmp
VerticalScrollBarThumb.bmp
VerticalScrollBarThumbNoColor.bmp
VerticalScrollBarUpArrow.bmp
vs6
Release
XScrollBarTest.exe
XScrollBarTest.dsp
XScrollBarTest.dsw
#ifndef _MEMDC_H_
#define _MEMDC_H_

//////////////////////////////////////////////////
// CMemDC - memory DC
//
// Author: Keith Rule
// Email:  keithr@europa.com
// Copyright 1996-1997, Keith Rule
//
// You may freely use or modify this code provided this
// Copyright is included in all derived versions.
//
// This class implements a memory Device Context

class CMemDC : public CDC 
{
private:
	CBitmap*	m_bitmap;
	CBitmap*	m_oldBitmap;
	CDC*		m_pDC;
	CRect		m_rcBounds;
public:
	CMemDC(CDC* pDC, const CRect& rcBounds) : CDC()
	{
		CreateCompatibleDC(pDC);
		m_bitmap = new CBitmap;
		m_bitmap->CreateCompatibleBitmap(pDC, rcBounds.Width(), rcBounds.Height());
		m_oldBitmap = SelectObject(m_bitmap);
		m_pDC = pDC;
		m_rcBounds = rcBounds;
	}
	~CMemDC() 
	{
		m_pDC->BitBlt(m_rcBounds.left, m_rcBounds.top, m_rcBounds.Width(), m_rcBounds.Height(), 
					this, m_rcBounds.left, m_rcBounds.top, SRCCOPY);
		SelectObject(m_oldBitmap);
		if (m_bitmap != NULL) 
			delete m_bitmap;
	}
	CMemDC* operator->() 
	{
		return this;
	}
};

#endif

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License

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

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About the Author

Hans Dietrich
Software Developer (Senior) Hans Dietrich Software
United States United States
I attended St. Michael's College of the University of Toronto, with the intention of becoming a priest. A friend in the University's Computer Science Department got me interested in programming, and I have been hooked ever since.
 
Recently, I have moved to Los Angeles where I am doing consulting and development work.
 
For consulting and custom software development, please see www.hdsoft.org.






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