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有时“关于”对话框中加入一些超链接（比如：网址或E-mail）。
一位高人写了一个CHyperLink非常好用，原理是用WinExec调用浏览器来访问超链接。
使用方法：

1. 先把HyperLink.h和HyperLink.cpp两个文件add to projiect，在需要的地方包含HyperLink.h；

2. 修改一下静态文本的资源ID，用ClassWizard给要添加超链接的静态文本绑定变量，然后使它和一个CStatic类对象绑定，再把CStatic改为CHyperLink；

3. OnInitDialog()中调用m_HyperLink.SetURL(“https://blog.csdn.net/chuhe163“);即可。
   链接Email,格式为mailto:XXX@XXX.com

CHyperLink.h

#pragma once
// CHyperLink
class CHyperLink : public CStatic
{DECLARE_DYNAMIC(CHyperLink)public:CHyperLink();virtual ~CHyperLink();public:void SetURL(CString strURL);CString GetURL() const;void SetColor(COLORREF clr, BYTE clrItem);//设置颜色COLORREF GetColor(BYTE clrItem);//得到颜色// Overrides// ClassWizard generated virtual function overrides//{{AFX_VIRTUAL(CHyperLink)
protected:virtual void PreSubclassWindow();//}}AFX_VIRTUAL// Implementation
protected:int GotoURL(LPCTSTR url, int showcmd);// Protected attributes
protected:COLORREF m_clrHot;      // Link normal colorCOLORREF m_clrNor;      // Link active colorCOLORREF m_clrBG;       // Link active colorBOOL     m_bHot;                // Is the link active?CString  m_strURL;                  // Hyperlink URL string// Generated message map functions
protected://{{AFX_MSG(CHyperLink)afx_msg void OnMouseMove(UINT nFlags, CPoint point);afx_msg void OnLButtonUp(UINT nFlags, CPoint point);afx_msg void OnPaint();afx_msg LRESULT  OnMouseHover(WPARAM wParam, LPARAM lParam);afx_msg LRESULT  OnMouseLeave(WPARAM wParam, LPARAM lParam);afx_msg BOOL OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message);protected:DECLARE_MESSAGE_MAP()
};

CHyperLink.cpp

// HyperLink.cpp : 实现文件
//
#include "stdafx.h"
//#include "MyPlayer.h"
#include "HyperLink.h"
//上面三个头文件利用类向导创建的话会自动生成，如果是手动创建，需要添加
// CHyperLinkIMPLEMENT_DYNAMIC(CHyperLink, CStatic)CHyperLink::CHyperLink()
{m_bHot = FALSE;    // Control doesn't own the focus yetm_strURL.Empty();               // Set URL to an empty stringm_clrHot = RGB(0, 0, 255);m_clrNor = RGB(0, 0, 255);m_clrBG = RGB(240, 240, 240);
}CHyperLink::~CHyperLink()
{
}BEGIN_MESSAGE_MAP(CHyperLink, CStatic)//{{AFX_MSG_MAP(CHyperLink)ON_WM_MOUSEMOVE()ON_WM_LBUTTONUP()ON_WM_PAINT()ON_MESSAGE(WM_MOUSEHOVER, &OnMouseHover)ON_MESSAGE(WM_MOUSELEAVE, &OnMouseLeave)ON_WM_SETCURSOR()//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
void CHyperLink::PreSubclassWindow()
{// TODO: Add your specialized code here and/or call the base classDWORD dwStyle = GetStyle();::SetWindowLong(GetSafeHwnd(), GWL_STYLE, dwStyle | SS_NOTIFY);//  SetFont(GetParent()->GetFont());CStatic::PreSubclassWindow();
}void CHyperLink::OnMouseMove(UINT nFlags, CPoint point)
{TRACKMOUSEEVENT tme;tme.cbSize = sizeof(tme);tme.hwndTrack = m_hWnd;tme.dwFlags = TME_LEAVE | TME_HOVER;tme.dwHoverTime = 1;_TrackMouseEvent(&tme);//  CStatic::OnMouseMove(nFlags, point);
}//鼠标在上面
LRESULT CHyperLink::OnMouseHover(WPARAM wParam, LPARAM lParam)
{if (!m_bHot){m_bHot = TRUE;Invalidate();}return TRUE;
}//鼠标离开
LRESULT CHyperLink::OnMouseLeave(WPARAM wParam, LPARAM lParam)
{m_bHot = FALSE;Invalidate();return TRUE;
}void CHyperLink::OnLButtonUp(UINT nFlags, CPoint point)
{if (m_strURL.IsEmpty()){GetWindowText(m_strURL);}GotoURL(m_strURL, SW_SHOW);
}/////////////////////////////////////////////////////////////////////////////
// CHyperLink operationsvoid CHyperLink::SetURL(CString strURL)
{m_strURL = strURL;
}CString CHyperLink::GetURL() const
{return m_strURL;
}int CHyperLink::GotoURL(LPCTSTR url, int showcmd)
{HINSTANCE result = ShellExecute(NULL, _T("open"), url, NULL, NULL, showcmd);return (int)result;
}void CHyperLink::OnPaint()
{CPaintDC dc(this); // device context for painting   // TODO: Add your message handler code hereCFont* pFont = GetFont();CFont m_Font;if (pFont != NULL){LOGFONT lf;pFont->GetLogFont(&lf);lf.lfUnderline = m_bHot;if (m_Font.CreateFontIndirect(&lf))dc.SelectObject(m_Font);}if (m_bHot){dc.SetTextColor(m_clrHot);}else{dc.SetTextColor(m_clrNor);}dc.SetBkMode(TRANSPARENT);///准备工作CRect rect;CBrush BGBrush, *pOldBrush;int nTextLeft = 4, nTextTop = 2; //文字输出的位置this->GetClientRect(&rect);//画背景BGBrush.CreateSolidBrush(m_clrBG);pOldBrush = dc.SelectObject(&BGBrush);dc.FillRect(&rect, &BGBrush);dc.SelectObject(pOldBrush);BGBrush.DeleteObject();///输出文字TEXTMETRIC tm;dc.GetTextMetrics(&tm);CString strText;this->GetWindowText(strText);nTextTop = rect.top + (rect.Height() - tm.tmHeight) / 2;if (strText.GetLength()>0){dc.TextOut(nTextLeft, nTextTop, strText);}BGBrush.DeleteObject();m_Font.DeleteObject();
}BOOL CHyperLink::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{// TODO: Add your message handler code here and/or call defaultif (m_bHot){::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(32649)));return TRUE;}return CStatic::OnSetCursor(pWnd, nHitTest, message);
}