根据窗口大小重新排列组合控件的位置和大小

#include “CtrlResize.h”

 #if !defined(CTRLRESIZE_H__)
      #define CTRLRESIZE_H__
        
    #if _MSC_VER > 1000
    #pragma once
    #endif // _MSC_VER > 1000
    // CtrlResize.h : header file
    //
    
    #include <AfxTempl.h>
    
    /////////////////////////////////////////////////////////////////////////////////////////////
    // CCtrlResize,根据窗口大小重新排列组合控件的位置和大小
    
    class CCtrlResize
    {
    public:
    	CCtrlResize();
    
    	enum EAlignMode//控件对齐方式
    	{
    		eFixed = 1,//保持原值不变
    		eKeepRatioWithDlgInflated = 2,//和对话框的宽(或高)的增量保持正比
    	};
    
    	struct CTRLRESIZEINFO
    	{
    		int nCtrlId;//控件ID
    		
    		EAlignMode eAlignX;//左上角X坐标对齐方式
    		EAlignMode eAlignY;//左上角Y坐标对齐方式
    		EAlignMode eAlignWidth;//宽对齐方式
    		EAlignMode eAlignHeight;//高对齐方式
    
    		double dRatioX;//左上角X坐标和对话框宽的比例
    		double dRatioY;//左上角Y坐标和对话框高的比例
    		double dRatioWidth;//宽和对话框宽的比例
    		double dRatioHeight;//高和对话框高的比例
    		
    		double dLTX;//左上角原始X坐标
    		double dLTY;//左上角原始Y坐标
    		double dWidth;//原始宽度
    		double dHeight;//原始高度
    	};
    
    	void InitDlg(CWnd *pWnd);
    	
    	void AddCtrl(int nCtrlId,
    		double dRatioX,//左上角X坐标和对话框宽增量的比例
    		double dRatioY,//左上角Y坐标和对话框高增量的比例
    		double dRatioWidth,//宽和对话框宽增量的比例
    		double dRatioHeight//高和对话框高增量的比例
    		);
    	
    	void ModiCtrl(int nCtrlId,
    		int nXOffset,int nYOffset,int nWidthOffset,int nHeightOffset);
    
    	void ResizeAllCtrl(int nCX, int nCY);
    
    private:
    	CWnd *m_pWnd;
    	CRect m_DlgRect;
    	CMap <int,int,CTRLRESIZEINFO,CTRLRESIZEINFO> m_mapCtrlIdtoInfo;
    };
    
    #endif

CtrlResize.cpp

#include "stdafx.h"
#include "CtrlResize.h"
/////////////////////////////////////////////////////////////////////////////////////////////
// CCtrlResize,根据窗口大小重新排列组合控件的位置和大小
// gsk 2003-4-29

CCtrlResize::CCtrlResize()
{
}

void CCtrlResize::InitDlg(CWnd *pWnd)
{
	m_pWnd = pWnd;
	if(m_pWnd == NULL)
	{
		return;
	}
	
    	m_pWnd->GetClientRect(m_DlgRect);
    }
    
    void CCtrlResize::AddCtrl(int nCtrlId,
    		double dRatioX,//左上角X坐标和对话框宽增量的比例
    		double dRatioY,//左上角Y坐标和对话框高增量的比例
    		double dRatioWidth,//宽和对话框宽增量的比例
    		double dRatioHeight//高和对话框高增量的比例
    		)
    {
    	CTRLRESIZEINFO ctrl;
    	CRect rect;
    
    	if(m_pWnd == NULL)
    	{
    		return;
    	}
    
    	if(m_pWnd->GetDlgItem(nCtrlId) == NULL)
    	{
    		return;
    	}

	m_pWnd->GetDlgItem(nCtrlId)->GetWindowRect(rect);
	m_pWnd->ScreenToClient(&rect);
	
	ctrl.nCtrlId = nCtrlId;
	ctrl.dLTX = rect.left;
	ctrl.dLTY = rect.top;
	ctrl.dWidth = rect.Width();
	ctrl.dHeight = rect.Height();
	ctrl.dRatioX = dRatioX;
	ctrl.dRatioY = dRatioY;
	ctrl.dRatioWidth = dRatioWidth;
	ctrl.dRatioHeight = dRatioHeight;
	ctrl.eAlignX = (dRatioX==0? eFixed:eKeepRatioWithDlgInflated);
	ctrl.eAlignY = (dRatioY==0? eFixed:eKeepRatioWithDlgInflated);
	ctrl.eAlignWidth = (dRatioWidth==0? eFixed:eKeepRatioWithDlgInflated);
	ctrl.eAlignHeight = (dRatioHeight==0? eFixed:eKeepRatioWithDlgInflated);
	
	m_mapCtrlIdtoInfo.SetAt(nCtrlId,ctrl);
}

void CCtrlResize::ModiCtrl(int nCtrlId,
						   int nXOffset,int nYOffset,int nWidthOffset,int nHeightOffset)
{
	CTRLRESIZEINFO ctrl;

	if(m_mapCtrlIdtoInfo.Lookup(nCtrlId,ctrl) == FALSE)
	{
		return;
	}

	ctrl.dLTX += nXOffset;
	ctrl.dLTY += nYOffset;
	
	ctrl.dWidth += nWidthOffset;
	ctrl.dHeight += nHeightOffset;
	
	m_mapCtrlIdtoInfo.SetAt(nCtrlId,ctrl);
}

void CCtrlResize::ResizeAllCtrl(int nCX, int nCY)
{
	int nInflatedX,nInflatedY,nCtrlId;
	POSITION pos;
	CTRLRESIZEINFO ctrl;
	CRect rectNewPos;

	nInflatedX = nCX - m_DlgRect.Width();
	nInflatedY = nCY - m_DlgRect.Height();

	pos = m_mapCtrlIdtoInfo.GetStartPosition();
	while(pos)
	{
		m_mapCtrlIdtoInfo.GetNextAssoc(pos,nCtrlId,ctrl);
	
		if(ctrl.eAlignX == eFixed)
		{
			rectNewPos.left = (long)ctrl.dLTX;
		}
		else
		{
			rectNewPos.left = (long)(ctrl.dLTX + nInflatedX*ctrl.dRatioX);
		}

		if(ctrl.eAlignWidth == eFixed)
		{
			rectNewPos.right = (long)(rectNewPos.left + ctrl.dWidth);
		}
		else
		{
			rectNewPos.right = (long)(rectNewPos.left + ctrl.dWidth + nInflatedX*ctrl.dRatioWidth);
		}

		if(ctrl.eAlignY == eFixed)
		{
			rectNewPos.top = (long)ctrl.dLTY;
		}
		else
		{
			rectNewPos.top = (long)(ctrl.dLTY + nInflatedY*ctrl.dRatioY);
		}

		if(ctrl.eAlignHeight == eFixed)
		{
			rectNewPos.bottom = (long)(rectNewPos.top + ctrl.dHeight);
		}
		else
		{
			rectNewPos.bottom = (long)(rectNewPos.top + ctrl.dHeight + nInflatedY*ctrl.dRatioHeight);
		}

		if(m_pWnd->GetDlgItem(ctrl.nCtrlId))
		{
			m_pWnd->GetDlgItem(ctrl.nCtrlId)->MoveWindow(rectNewPos);
		}
	}
}