VC 2023中實現自定義窗口按鈕控件

本文格式為Word版，下載可任意編輯——VC2023中實現自定義窗口按鈕控件

VC++2023中實現自定義窗口按鈕控件

VC++2023中實現自定義窗口按鈕控件

1.新建一個MFC類使得它繼承與CButton類；

2.

3

VC++2023中實現自定義窗口按鈕控件

2.在生成的類中添加變量

#pragmaonce

//CCustomButton

classCCustomButton:publicCButton

{

public:

};CCustomButton();virtual~CCustomButton();BOOLm_IsPressed;DECLARE_MESSAGE_MAP()virtualvoidDrawItem(LPDRAWITEMSTRUCT/*lpDrawItemStruct*/);afx_msgvoidOnLButtonUp(UINTnFlags,CPointpoint);afx_msgvoidOnLButtonDown(UINTnFlags,CPointpoint);afx_msgBOOLOnEraseBkgnd(CDC*pDC);

DECLARE_DYNAMIC(CCustomButton)protected:public:

VC++2023中實現自定義窗口按鈕控件

3.。重寫方法WM_BUTTONDOWNWM_LBUTTONUP

//CustomButton.cpp:實現文件

//

#includestdafx.h

#includejusttest.h

#includeCustomButton.h

//CCustomButton

IMPLEMENT_DYNAMIC(CCustomButton,CButton)

CCustomButton::CCustomButton()

{

}

CCustomButton::~CCustomButton()

{

VC++2023中實現自定義窗口按鈕控件

}

BEGIN_MESSAGE_MAP(CCustomButton,CButton)

ON_WM_LBUTTONUP()

ON_WM_LBUTTONDOWN()

ON_WM_ERASEBKGND()

END_MESSAGE_MAP()

//CCustomButton消息處理程序

voidCCustomButton::DrawItem(LPDRAWITEMSTRUCTlpDrawItemStruct)

{

CRectrect;

GetClientRect(rect);

CDCdc;

dc.Attach(lpDrawItemStruct-hDC);

dc.SetBkMode(TRANSPARENT);

CBrushm_Brush;

m_Brush.CreateStockObject(NULL_BRUSH);

dc.SelectObject(m_Brush);

if(m_IsPressed)

{

CPenpen(PS_SOLID,2,RGB(255,2,0));

dc.SelectObject(pen);

HRGNrgn=CreateEllipticRgn(0,0,rect.Width(),rect.Height());

SetWindowRgn(rgn,TRUE);

dc.Ellipse(0,0,rect.Width(),rect.Height());

dc.SetTextColor(RGB(0,0,255));

}

else

{

CPenpen(PS_SOLID,2,RGB(5,255,0));

dc.SelectObject(pen);

HRGNrgn=CreateEllipticRgn(0,0,rect.Width(),rect.Height());

SetWindowRgn(rgn,TRUE);

dc.Ellipse(0,0,rect.Width(),rect.Height());

dc.SetTextColor(RGB(120,0,190));

}

VC++2023中實現自定義窗口按鈕控件

CStringstr;

GetWindowText(str);

dc.DrawText(str,CRect(0,0,rect.Width(),rect.Height()),DT_CENTER|DT_VCENTER|DT_SINGLELINE);

//TODO:添加您的代碼以繪制指定項

}

voidCCustomButton::OnLButtonUp(UINTnFlags,CPointpoint)

{

//TODO:在此添加消息處理程序代碼和/或調用默認值

m_IsPressed=FALSE;

CButton::OnLButtonUp(nFlags,point);

}

voidCCustomButton::OnLButtonDown(UINTnFlags,CPointpoint)

{

//TODO:在此添加消息處理程序代碼和/或調用默認值

m_IsPressed=TRUE;

CButton::OnLButtonDown(nFlags,point);

}

BOOLCCustomButton::OnEraseBkgnd(CDC*pDC)

{

//TODO:在此添加消息處理程序代碼和/或調用默認值

returnTRUE;

//returnCButton::OnEraseBkgnd