A little summary of MFC-----Edit control operation

Get the contents of the Edit Control box:

CString key;
GetDlgItem (IDC_EDIT1)->getwindowtext (key);

Where IDC_EDIT1 is the ID of the edit box to get the obtained content stored in key

Display the content in the Edit Control box:

Char *miwen = new char[1024];

...

GetDlgItem (IDC_EDIT3)->setwindowtext ((LPCTSTR) (LPCTSTR) Miwen);

Where Idc_edit3 is the content that you want to display in the edit box Id,miwen for the content that you want to display

UpdateData (FALSE) is required after each read and write operation;

If the content does not match the display

Character set, properties----General, property, item, set to use multibyte character set

A little summary of MFC-----Edit control operation