kemyboarddemoview.cpp

一个关于捕获键盘输入的程序

// KemyboardDemoView.cpp : CKemyboardDemoView 类的实现
//

#include "stdafx.h"
#include "KemyboardDemo.h"

#include "KemyboardDemoDoc.h"
#include "KemyboardDemoView.h"
#include ".\kemyboarddemoview.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CKemyboardDemoView

IMPLEMENT_DYNCREATE(CKemyboardDemoView, CView)

BEGIN_MESSAGE_MAP(CKemyboardDemoView, CView)
	// 标准打印命令
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
	ON_WM_CHAR()
	ON_WM_KEYDOWN()
	ON_WM_KEYUP()
END_MESSAGE_MAP()

// CKemyboardDemoView 构造/析构

CKemyboardDemoView::CKemyboardDemoView()
{
	// TODO: 在此处添加构造代码
	m_MyString="";

}

CKemyboardDemoView::~CKemyboardDemoView()
{
}

BOOL CKemyboardDemoView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: 在此处通过修改 CREATESTRUCT cs 来修改窗口类或
	// 样式

	return CView::PreCreateWindow(cs);
}

// CKemyboardDemoView 绘制

void CKemyboardDemoView::OnDraw(CDC* /*pDC*/)
{
	CKemyboardDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
		return;

	// TODO: 在此处为本机数据添加绘制代码
}


// CKemyboardDemoView 打印

BOOL CKemyboardDemoView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// 默认准备
	return DoPreparePrinting(pInfo);
}

void CKemyboardDemoView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印前添加额外的初始化
}

void CKemyboardDemoView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: 打印后添加清除过程
}


// CKemyboardDemoView 诊断

#ifdef _DEBUG
void CKemyboardDemoView::AssertValid() const
{
	CView::AssertValid();
}

void CKemyboardDemoView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CKemyboardDemoDoc* CKemyboardDemoView::GetDocument() const // 非调试版本是内联的
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CKemyboardDemoDoc)));
	return (CKemyboardDemoDoc*)m_pDocument;
}
#endif //_DEBUG


// CKemyboardDemoView 消息处理程序

void CKemyboardDemoView::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	m_MyString+=char(nChar);
	  CDC*pDC=GetDC();
	  pDC->TextOut(0,0,m_MyString);

	CView::OnChar(nChar, nRepCnt, nFlags);
}

void CKemyboardDemoView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	


	CView::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CKemyboardDemoView::OnKeyUp(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	


	CView::OnKeyUp(nChar, nRepCnt, nFlags);
}