MFC工控项目实例二十九主对话框调用子对话框设定参数值

在主对话框调用子对话框设定参数值，使用theApp变量实现。

子对话框各参数变量

   CString    m_strTypeName;    CString    m_strBrand;    CString    m_strRemark;
    double    m_edit_min;    double    m_edit_max;
    double    m_edit_time2;
    double    m_edit_time1;
    double    m_edit_time3;
    DWORD    m_edit_time4;

参考MFC工控项目实例二十七添加产品参数

1、在SEAL_PRESSURE.h中添加代码

class CProductPara
{
public:
union
{
struct
{
charm_strTypeName[24];
charm_strBrand[24];
charm_strRemark[64];
doublem_edit_min;
            doublem_edit_max;
            doublem_edit_time1;
doublem_edit_time2;
    doublem_edit_time3;
doublem_edit_time4;
};
char len[1024];
};
};


class CSEAL_PRESSUREApp : public CWinApp
{
public:
CSEAL_PRESSUREApp();
              
CString   m_strTypeName;
            CString   m_strBrand;
            CString   m_strRemark;
doublem_edit_min;
            doublem_edit_max;
            doublem_edit_time1;
doublem_edit_time2;
    doublem_edit_time3;
doublem_edit_time4;
...
}

2、在SEAL_PRESSURE.h中添加代码

void CSEAL_PRESSUREDlg::OnTypeChange(UINT nID)
{
theApp.m_nProductSel = nID - ID_DEF_PRODUCT+1;
CWinApp* pApp = AfxGetApp();
    int i=pApp->WriteProfileInt("参数","nProductSel1",theApp.m_nProductSel);
    CString str = theApp.m_allPara[theApp.m_nProductSel].m_strTypeName;
    theApp.typ_name=theApp.m_DataPath+"\\"+str+"\\";
 CreateDirectory(theApp.typ_name,FALSE);
  
    theApp.m_strTypeName= theApp.m_allPara[theApp.m_nProductSel].m_strTypeName;
theApp.m_strBrand= theApp.m_allPara[theApp.m_nProductSel].m_strBrand;
theApp.m_strRemark= theApp.m_allPara[theApp.m_nProductSel].m_strRemark;
theApp.m_edit_min= theApp.m_allPara[theApp.m_nProductSel].m_edit_min;
theApp.m_edit_max= theApp.m_allPara[theApp.m_nProductSel].m_edit_max;
    theApp.m_edit_time1= theApp.m_allPara[theApp.m_nProductSel].m_edit_time1;
theApp.m_edit_time2= theApp.m_allPara[theApp.m_nProductSel].m_edit_time2;
    theApp.m_edit_time1= theApp.m_allPara[theApp.m_nProductSel].m_edit_time1;
theApp.m_edit_time2= theApp.m_allPara[theApp.m_nProductSel].m_edit_time2;
theApp.m_edit_time3= theApp.m_allPara[theApp.m_nProductSel].m_edit_time3;
theApp.m_edit_time4= theApp.m_allPara[theApp.m_nProductSel].m_edit_time4;
SetDlgItemText(IDC_STATIC_TYPNAME,theApp.m_strTypeName);
   CString str1,str2;
str1.Format("%3.2f",theApp.m_edit_min);
str2.Format("%3.2f",theApp.m_edit_max);
SetDlgItemText(IDC_STATIC100,str1);
SetDlgItemText(IDC_STATIC102,str2);
if (i!=0)
{
   m_TES_START.EnableWindow (1);
}
    
}

运行程序

原文地址：https://blog.csdn.net/weixin_42350092/article/details/143668702

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