create control of class CEdit

durban2

MFC, STUDIO 2008, MDI-project void CPage1::OnBnClickedButton1() { CRect rect(85, 110, 180, 210); CEdit m_edit; // Embedded edit object m_edit.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | WS_BORDER, rect, this, ID_EXTRA_EDIT); // error C2065: 'ID_EXTRA_EDIT' : undeclared identifier m_edit.SetFocus(); }

Iain Clarke Warrior Programmer

1/ What's your question 2/ Include resource.h? Your compiler is saying "ID_EXTRA_EDIT? Never heard of it" 3/ Check your spelling. Iain.

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Cedric Moonen

Yes, and ? Just define ID_EXTRA_EDIT in your resource.h file.

Cédric Moonen Software developer
Charting control [v2.0 - Updated] OpenGL game tutorial in C++

China_Kevin

First I am a Chinese boy. My English is not very good. change m_edit.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | WS_BORDER, rect, this, ID_EXTRA_EDIT); // error C2065: 'ID_EXTRA_EDIT' : undeclared identifier for m_edit.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | WS_BORDER, rect, this, 1234); // error C2065: 'ID_EXTRA_EDIT' : undeclared identifier the meaning is Specifies the edit control’s ID.(msdn) then you will change m_edit as a class member,because, when the OnBnClickedButton1 is finished m_edit is lost. sorry,my English is so poor...

Cedric Moonen

blueapplezh wrote:

then you will change m_edit as a class member,because, when the OnBnClickedButton1 is finished m_edit is lost.

Yes, that's correct, I didn't see that at all.

blueapplezh wrote:

change m_edit.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | WS_BORDER, rect, this, ID_EXTRA_EDIT); // error C2065: 'ID_EXTRA_EDIT' : undeclared identifier for m_edit.Create(WS_CHILD | WS_VISIBLE | WS_TABSTOP | ES_AUTOHSCROLL | WS_BORDER, rect, this, 1234); // error C2065: 'ID_EXTRA_EDIT' : undeclared identifier the meaning is Specifies the edit control’s ID.(msdn)

I wouldn't advise that. The reason is that it is much safer to add a new Id in the resource.h file and use it. This way you have a central place where you define all your ID's and you can make sure you won't reuse the same Id twice.

Cédric Moonen Software developer
Charting control [v2.0 - Updated] OpenGL game tutorial in C++

China_Kevin

I wouldn't advise that. The reason is that it is much safer to add a new Id in the resource.h file and use it. This way you have a central place where you define all your ID's and you can make sure you won't reuse the same Id twice. You are clever,I have advise that,but my English is too poor to express my opinion. If I am a USA boy ,HOHO~~~~~

CPallini

blueapplezh wrote:

You are clever,I have advise that,but my English is too poor to express my opinion.

I would advise you to use the 'Quote Selected Text' button to report the words of the post you're replying to. :rolleyes: :)

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Hamid Taebi

#define ID_EXTRA_EDIT 3000 is your answer and also I saw one more thing in your code you must declare CEdit m_edit out of this function.

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China_Kevin

CPallini wrote:

I would advise you to use the 'Quote Selected Text' button to report the words of the post you're replying to. Roll eyes Smile

Thanks very mu :-D ch!!!