vc下实现的简单的学生管理系统

#include "stdafx.h"
#include <windows.h>
#include <windowsx.h>
#include "resource.h"
#include "MainDlg.h"
BOOL WINAPI Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch(uMsg)
    {
        HANDLE_MSG(hWnd, WM_INITDIALOG, Main_OnInitDialog);
        HANDLE_MSG(hWnd, WM_COMMAND, Main_OnCommand);
        HANDLE_MSG(hWnd,WM_CLOSE, Main_OnClose);
    }

    return FALSE;
}

BOOL Main_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
    return TRUE;
}

void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
{


    HWND hwnd1 = GetDlgItem(hwnd,IDC_COMBO1); 
    switch(id)
    {
        
        case IDC_ADD://添加按钮
        {  
            TCHAR str[256];
            GetDlgItemText(hwnd,IDC_EDIT1,str,sizeof(str));
            ComboBox_InsertString(hwnd1,-1,str);
        }
        break;
        case IDC_DELETE: //删除按钮
        {
            //TCHAR str[256];
            int ret = ComboBox_GetCurSel(hwnd1);
            ComboBox_DeleteString(hwnd1,ret);
        }
        break;
        case IDC_FIND://查找按钮，用一个循环查找是否匹配
        {
            TCHAR str[256];
            TCHAR strtemp[256];
            BOOL select = false;
            GetDlgItemText(hwnd,IDC_EDIT2,str,sizeof(str));    
            for(int i = 0;i < ComboBox_GetCount(hwnd1);i++)
            {
                 ComboBox_GetLBText(hwnd1,i,strtemp);
                 if(strcmp(str,strtemp) == 0)
                 {
                    select = true;
                    break;
                 }
                 else
                 {
                     
                     continue;
                    //
                 }
            }
            if(select == true)
            {
                MessageBox(hwnd,TEXT("您选择的名字是在数据库中"),TEXT("正确"),MB_OK);
            }
            else
            {
                MessageBox(hwnd,TEXT("没有您要查找的名字"),TEXT("错误"),MB_OK);
            }
        }
        break;
        default:
        break;
    }
}

void Main_OnClose(HWND hwnd)
{
    EndDialog(hwnd, 0);
}

运行结果：