win32程序 day1

#include "stdafx.h"
#include "Win32.h"
#include  <stdio.h>
#include "Resource.h"

BOOL CALLBACK MainProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM IParam)  // 消息回调函数/1.句柄（提示文字）           2.消息种类（点击按钮，输入文字..） 3.附加数据4.附加数据（xy）
{

	char s[256];
	sprintf(s,"uMsg=%d,wParam=%d,IParam=%d\n",uMsg,wParam,IParam);
	OutputDebugString(s);
	if(WM_COMMAND==uMsg)    //判断点击按钮消息
	{
		if(LOWORD(wParam)==IDCANCEL)
		{
			EndDialog(hwndDlg,IDCANCEL);
		}
		if(LOWORD(wParam)==IDOK)
		{
			//MessageBox(hwndDlg,"点击ok","提示",0);
			int nLeft=GetDlgItemInt(hwndDlg,IDC_LEFT,NULL,TRUE);
		     int nRight=GetDlgItemInt(hwndDlg,IDC_RIGHT,NULL,TRUE);
			 int nResult=nLeft+nRight;
			 SetDlgItemInt(hwndDlg,IDC_SUM,nResult,TRUE);
		}
	}

	return false;
}

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR IpCndLine,int nCndShow)
{
	/*int nRet=MessageBox(NULL,"重新开始","提示",MB_OKCANCEL);
	if(nRet==IDOK)
	{
		MessageBox(NULL,"你点击OK按钮","返回值",0);
	}
	if(nRet==IDCANCEL)
	{
		MessageBox(NULL,"你点击了cance按钮","返回值",0);
	}*/
	DialogBox(hInstance,(LPCSTR)IDD_DIALOG1,NULL,MainProc);

		return 0;
}