这是一个按钮自绘的框架,其他控件也类似
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//.h头文件
#pragma once
#include "afxwin.h"
#include "MemDC.h"//封装内存DC类
class
CYuButton :
public
CWnd
{
private
:
BOOL
m_bIsDown;
CString m_sCaption;
public
:
DECLARE_DYNCREATE(CYuButton)
CYuButton(
void
);
virtual
~CYuButton(
void
);
BOOL
Create(
LPCTSTR
sCpation,
DWORD
dwStyle,CONST CRect & rt,
CWnd * pParendWnd,
UINT
uId);
afx_msg
void
OnNcPaint();
afx_msg
BOOL
OnEraseBkgnd(CDC* pDC);
afx_msg
void
OnPaint();
afx_msg
void
OnLButtonDown(
UINT
nFlags, CPoint point);
afx_msg
void
OnLButtonUp(
UINT
nFlags, CPoint point);
afx_msg
void
OnKillFocus(CWnd* pNewWnd);
DECLARE_MESSAGE_MAP()
//鼠标按下
void
DrawDown(CDC * pDC);
void
DrawNormal(CDC * pDC);
//鼠标移动
void
DrawMove(CDC * pDC);
//获取当前程序路径
CString GetApplicationPath();
public
:
//修改按钮状态
void
SetNormalStatus();
};
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//.cpp文件
#include "StdAfx.h"
#include "YuButton.h"
CYuButton::CYuButton(
void
)
{
//WNDCLASS wd={CS_VREDRAW|CS_HREDRAW,::DefWindowProc};
//wd.lpszClassName = _T("YUButton");
}
CYuButton::~CYuButton(
void
)
{
}
BOOL
CYuButton::Create(
LPCTSTR
sCaption,
DWORD
dwStyle,CONST CRect & rt,
CWnd * pParendWnd,
UINT
uId)
{
LPCTSTR
lpszClassName = AfxRegisterWndClass(CS_HREDRAW | CS_VREDRAW,
AfxGetApp()->LoadStandardCursor(IDC_ARROW),
(
HBRUSH
)GetStockObject(LTGRAY_BRUSH), NULL);
m_sCaption = sCaption;
return
CWnd::Create(lpszClassName,sCaption,dwStyle|WS_CHILD|WS_VISIBLE,
rt,pParendWnd,uId);
}
IMPLEMENT_DYNCREATE(CYuButton, CWnd)
BEGIN_MESSAGE_MAP(CYuButton, CWnd)
ON_WM_ERASEBKGND()
ON_WM_PAINT()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_KILLFOCUS()
END_MESSAGE_MAP()
void
CYuButton::OnNcPaint()
{
}
BOOL
CYuButton::OnEraseBkgnd(CDC* pDC)
{
return
true
;
//CWnd::OnEraseBkgnd(pDC);
}
void
CYuButton::OnPaint()
{
CPaintDC dc(
this
);
// device context for painting
if
(m_bIsDown)
DrawDown(&dc);
else
DrawNormal(&dc);
//绘按钮上面的文字
CRect rt;
GetClientRect(&rt);
rt.top = 70;
dc.SetTextColor(RGB(255,255,255));
CFont font;
VERIFY(font.CreatePointFont(115,_T(
"微软雅黑"
), &dc));
dc.SelectObject(&font);
dc.SetBkMode(TRANSPARENT);
dc.DrawText(m_sCaption,rt,DT_CENTER|DT_SINGLELINE);
}
void
CYuButton::OnLButtonDown(
UINT
nFlags, CPoint point)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值
m_bIsDown = TRUE;
this
->SetFocus();
this
->Invalidate(FALSE);
CWnd * pWnd =
this
->GetParent();
if
(pWnd)
pWnd->SendMessage(WM_COMMAND,GetDlgCtrlID(),(
LPARAM
)
this
->GetSafeHwnd());
CWnd::OnLButtonDown(nFlags, point);
}
void
CYuButton::OnLButtonUp(
UINT
nFlags, CPoint point)
{
CWnd::OnLButtonUp(nFlags, point);
}
void
CYuButton::DrawNormal(CDC * pDC)
{
pDC->BitBlt(0,0,m_focus_MDC.Width(),m_focus_MDC.Height(),
&m_CompoundDC,0,0,SRCCOPY);
}
void
CYuButton::DrawDown(CDC * pDC)
{
}
void
CYuButton::OnKillFocus(CWnd* pNewWnd)
{
CWnd::OnKillFocus(pNewWnd);
Invalidate(TRUE);
}
CString CYuButton::GetApplicationPath()
{
WCHAR
buff[255]={0};
::GetModuleFileName(0,buff,255);
CString strAppFullName;
strAppFullName.Format(_T(
"%s"
),buff);
CString strAppPath = _T(
""
);
strAppPath = strAppFullName.Left(strAppFullName.ReverseFind(
'\\'
)+1);
return
strAppPath;
}
void
CYuButton::SetNormalStatus()
{
m_bIsDown = FALSE;
Invalidate(FALSE);
}
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如果继承自CEdit类,希望文字内容垂直居中。
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//创建时的风格，改为多行风格
CEdit::Create(WS_VISIBLE| ES_LEFT| WS_CHILD| ES_MULTILINE, rect, pParentWnd, nID);
//通知消息处理如下：
BOOL
CYUEdit::OnChildNotify(
UINT
message,
WPARAM
wParam,
LPARAM
lParam,
LRESULT
* pLResult)
{
if
(message != WM_CTLCOLOREDIT)
{
return
CEdit::OnChildNotify(message, wParam, lParam, pLResult);
}
HDC
hdcChild = (
HDC
)wParam;
SetTextColor(hdcChild, m_colFontColor);
SetBkColor(hdcChild, m_colBackGround);
CRect rt1;
GetClientRect(&rt1);
rt1.DeflateRect(0, 0, 0, 0);
SetRectNP(&rt1);
SetFont(&m_font,FALSE);
return
TRUE;
//return CEdit::OnChildNotify(message, wParam, lParam, pLResult);
}
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本文转自Chinayu201451CTO博客，原文链接：http://blog.51cto.com/9233403/1981225
，如需转载请自行联系原作者
