关于对话框的回调函数自定义变量位置

[alln0211]

BOOL CALLBACK XinZengLuRu (HWND hDlg, UINT message, 
							WPARAM wParam, LPARAM lParam)
{
	TCHAR sField[5][50]={"序号","班级","姓名","身份证号"};
//这里定义了一个字符串数组sField在case WM_INITDIALOG :使用后就没有用了。
//我应该把sField的定义及初始化放在这还是放下面
	TCHAR sXuHao[10],sFileDir[1024];
	HWND hList=GetDlgItem(hDlg,LV_A);
	switch(message)
	{
	case WM_INITDIALOG :
//TCHAR sField[5][50]={"序号","班级","姓名","身份证号"};这里放sField的定义及初始化
		ListView_SetExtendedListViewStyle(hList, LVS_EX_GRIDLINES|LVS_EX_CHECKBOXES);
		AddList(sField,hList);
		return TRUE ;
	case WM_CLOSE:
		EndDialog(hDlg,0);
		return 0;
	case WM_COMMAND:
		switch(LOWORD(wParam))
		{
		case BT_XUANZE:
			ZeroMemory(sFileDir,sizeof(sFileDir));
			SetDlgItemText(hDlg,ET_WENJIAN,GetFileDir(sFileDir));		
			return 0;
		case BT_LURUPL:
			
			return 0;
		}
		return 0;
	}
	return 0;
}

[赵4老师]

BOOL CALLBACK XinZengLuRu (HWND hDlg, UINT message,
                            WPARAM wParam, LPARAM lParam)
{
    TCHAR sXuHao[10],sFileDir[1024];
    HWND hList=GetDlgItem(hDlg,LV_A);
    switch(message)
    {
    case WM_INITDIALOG :
    {
        TCHAR sField[5][50]={"序号","班级","姓名","身份证号"};
        ListView_SetExtendedListViewStyle(hList, LVS_EX_GRIDLINES|LVS_EX_CHECKBOXES);
        AddList(sField,hList);
        return TRUE ;
    }
    case WM_CLOSE:
        EndDialog(hDlg,0);
        return 0;
    case WM_COMMAND:
        switch(LOWORD(wParam))
        {
        case BT_XUANZE:
            ZeroMemory(sFileDir,sizeof(sFileDir));
            SetDlgItemText(hDlg,ET_WENJIAN,GetFileDir(sFileDir));       
            return 0;
        case BT_LURUPL:
            
            return 0;
        }
        return 0;
    }
    return 0;
}