//mfc.h
#include <afxwin.h>
class MyApp :
public CWinApp
{
public:
//程序入口
virtual BOOL InitInstance();
MyApp();
~MyApp();
};
class MyFrame ://窗口框架类
public CFrameWnd
{
public:
MyFrame();
~MyFrame();
afx_msg void OnLButtonDown(UINT, CPoint);
afx_msg void OnChar(UINT, UINT, UINT);
afx_msg void OnPaint();
//声明宏
DECLARE_MESSAGE_MAP()
};
//mfc.cpp
#include "mfc.h"
MyApp theApp;//全局应用程序对象,有且仅有一个
MyApp::MyApp()
{
}
MyApp::~MyApp()
{
}
MyFrame::MyFrame()
{
Create(NULL, L"MFC");
}
MyFrame::~MyFrame()
{
}
BEGIN_MESSAGE_MAP(MyFrame,CFrameWnd)
ON_WM_LBUTTONDOWN()
ON_WM_CHAR()
ON_WM_PAINT()
END_MESSAGE_MAP()
BOOL MyApp::InitInstance()
{
//创建窗口
MyFrame *frame = new MyFrame;
//显示更新
frame->ShowWindow(SW_SHOWNORMAL);
frame->UpdateWindow();
m_pMainWnd = frame;//保持指向应用程序的主窗口的指针
return TRUE;
}
void MyFrame::OnLButtonDown(UINT, CPoint point)
{
CString sss;
sss.Format(L"x=%d y=%d", point.x, point.y);
MessageBox(sss);
}
void MyFrame::OnChar(UINT key, UINT, UINT)
{
CString sss;
sss.Format(L"你按下了%c", key);
MessageBox(sss);
}
void MyFrame::OnPaint()
{
CPaintDC dc(this);
dc.TextOutW(100, 100, L"你好");
//画椭圆
dc.Ellipse(200, 200, 300, 300);
COLORREF test=dc.GetBkColor();
int r = GetRValue(test);
int g = GetGValue(test);
int b = GetBValue(test);
}