edit boxes

This is a discussion on edit boxes within the Windows Programming forums, part of the Platform Specific Boards category; What gets sent when the user presses enter while my edit box is selected, and where do i get hold ...

  1. #1
    Mmm. Purple.
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    edit boxes

    What gets sent when the user presses enter while my edit box is selected, and where do i get hold of the text, and also, how can i do that in reverse, print into an edit box.

  2. #2
    Registered User
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    You'll get WM_CHAR message

  3. #3
    Mmm. Purple.
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    yes but how do i tell it came from the edit box, and how do i get the data?

  4. #4
    train spotter
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    >>you get WM_CHAR

    only if you have selected the ES_WANTRETURN and ES_MULTILINE styles .

    Otherwise nothing happens if you press enter in an edit control.

    >>how do i tell it came from the edit box, and how do i get the data?

    You gave the edit a int ID when you created it (cast as the HMENU param) or in the resource editor you gave it a name.

    All messages to the edit will go thru the parents wndproc (callback).

    Switch the WM_COMMAND,
    cracking the params to get the ctrl ID
    idControl = GET_WM_COMMAND_ID ( wParam, lParam) ;
    in an edit look for the edit notification msgs ie EN_CHANGE ect (the text changed)
    Last edited by novacain; 08-25-2003 at 03:38 AM.
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  5. #5
    It's full of stars adrianxw's Avatar
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    >>> print into an edit box.

    Use SetWindowText() to write into an edit box and GetWindowText() to retrieve the contents.
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  6. #6
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    Use SetWindowText() to write into an edit box and GetWindowText() to retrieve the contents.
    In more detail:

    SetWindowText(hEdit, "text");

    Replace hEdit with your own if you want.

    GetWindowText(hEdit, text, 5);

    The function gets the text from hEdit and stores it in text. Declare char in the following way:

    char text[5];

    Replace 5 with more if you want to use more characters in the character array.

  7. #7
    & the hat of GPL slaying Thantos's Avatar
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    if you want to get ALL the text in the window you could use:
    Code:
    GetWindowText(hEdit, text, GetWindowTextLength (hedit) + 1);

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