在.h文件里
#pragma once
#include "afxcmn.h"
UINT ThreadFun(LPVOID lpParam);
struct threadInfo
{
UINT nMilliSecond;
CProgressCtrl * prctrlProgress;
};
class CMFCApplication12Dlg : public CDialogEx
{
public:
CMFCApplication12Dlg(CWnd* pParent = NULL);
enum { IDD = IDD_MFCAPPLICATION12_DIALOG };
protected:
virtual void DoDataExchange(CDataExchange* pDX);
protected:
HICON m_hIcon;
CWinThread* pThread;
virtual BOOL OnInitDialog();
afx_msg void OnPaint();
afx_msg HCURSOR OnQueryDragIcon();
DECLARE_MESSAGE_MAP()
public:
int m_nMiliSecond;
CProgressCtrl m_ctrlProgress;
afx_msg void OnBnClickedStart();
};
#include "stdafx.h"
#include "MFCApplication12.h"
#include "MFCApplication12Dlg.h"
#include "afxdialogex.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
threadInfo Info;
CMFCApplication12Dlg::CMFCApplication12Dlg(CWnd* pParent )
: CDialogEx(CMFCApplication12Dlg::IDD, pParent)
, m_nMiliSecond(0)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCApplication12Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
DDX_Text(pDX, IDC_EDIT1, m_nMiliSecond);
DDX_Control(pDX, IDC_PROGRESS1, m_ctrlProgress);
}
BEGIN_MESSAGE_MAP(CMFCApplication12Dlg, CDialogEx)
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_START, &CMFCApplication12Dlg::OnBnClickedStart)
END_MESSAGE_MAP()
BOOL CMFCApplication12Dlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
SetIcon(m_hIcon, TRUE);
SetIcon(m_hIcon, FALSE);
m_ctrlProgress.SetRange(0,99);
m_nMiliSecond = 10;
UpdateData(FALSE);
return TRUE;
}
void CMFCApplication12Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this);
SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
HCURSOR CMFCApplication12Dlg::OnQueryDragIcon()
{
return static_cast<HCURSOR>(m_hIcon);
}
UINT ThreadFunc(LPVOID lpParam)
{
threadInfo* pInfo = (threadInfo*)lpParam;
for (int i = 0; i < 100; i++)
{
int nTemp = pInfo->nMilliSecond;
pInfo->prctrlProgress->SetPos(i);
Sleep(nTemp);
}
return 0;
}
void CMFCApplication12Dlg::OnBnClickedStart()
{
UpdateData(TRUE);
Info.nMilliSecond = m_nMiliSecond;
Info.prctrlProgress = &m_ctrlProgress;
pThread = AfxBeginThread(ThreadFunc,&Info);
}
此函数的执行结果:点击开始按钮,开始获取编辑框上的数字,此时,跳入线程函数中,根据屏幕上设置的速率,进行进度的显示。