I in the VC using MFC to do a dialog box, it can receive data (float type), I now want to use in another class the received data to do in this dialog, a great god help solve, can post code is better

CodePudding user response:

That sends a dialog box to add a variable m_float,
Accept the class take m_float after Domodal returns

CodePudding user response:

reference 1st floor schlafenhamster response:

that send a dialog box to add a variable m_float,
Take classes in Domodal return after m_float

I did before, but the received data in the other classes don't call,

CodePudding user response:

Accept class after Domodal return take m_float immediately

CodePudding user response:

Add a variable m_float, is can't control, because Domodal returned after the window has been destroyed

CodePudding user response:

reference 1st floor schlafenhamster response:

that send a dialog box to add a variable m_float,
Take classes in Domodal return after m_float

When calling this variable shows undefined, the error C2065: 'm_ct_R: undeclared identifier

CodePudding user response:

reference 4 floor schlafenhamster response:

add a variable m_float, is can't control, because Domodal returned after the window has been destroyed

That is to say, I have the receipt within the dialog box to assign a value to a variable, but this is under the OnButton function, I think is because is m_ct_R assigned to variables within the function, and then after the function exits, disappeared,
Void CLJQ_CT: : OnButton1 ()
{

The UpdateData ();
M_ct_R=m_ct_R;

}

CodePudding user response:

Public:
Float m_float;

CodePudding user response:

Void CAboutDlg: : OnOK ()
{
//TODO: Add extra validation here
M_Float=(float) 4.14; (try)
CDialog: : OnOK ();
}
/////////////////////////////////////////////////////////////////////
CAboutDlg dlgAbout;
DlgAbout. DoModal ();
Float ret=dlgAbout. M_Float;
AfxDump & lt; ///////////////////////////////////////////////////////////////////
Public:
CAboutDlg ();
Float m_Float;

CodePudding user response:

Upstairs is a warm-hearted man

CodePudding user response:

Not yet, you can contact me,

CodePudding user response:

You can try: set as global variables

CodePudding user response:

Postmessage!

CodePudding user response:

Do a message, receives the data message backwardness past send data
Or put the data in the app class Shared out
Refer to http://download.csdn.net/download/xianglitian/2383423
This example USES the method