BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Getting text from within a window          BorlandTalk.com Forum Index -> C++ Builder (Native API) View previous topic :: View next topic   Author Message Jeff Guest Posted: Wed Aug 10, 2005 4:35 pm    Post subject: Getting text from within a window I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? Here's a code snippet from my last attempt: SendMessage(hWindow, WM_GETTEXT, GetWindowTextLength(hWindow) + 1, (LPARAM)ptr_chrTitle); Please help, Jeff Back to top Gary Setter Guest Posted: Wed Aug 10, 2005 4:43 pm    Post subject: Re: Getting text from within a window "Jeff" <Jeff (AT) nospam (DOT) com> wrote Quote: I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? Here's a code snippet from my last attempt: SendMessage(hWindow, WM_GETTEXT, GetWindowTextLength(hWindow) + 1, (LPARAM)ptr_chrTitle); Can you get the handle of the lable? Maybe you can tell use a bit more about how you have set things up. Gary Back to top Alan Bellingham Guest Posted: Wed Aug 10, 2005 4:45 pm    Post subject: Re: Getting text from within a window "Jeff" <Jeff (AT) nospam (DOT) com> wrote: Quote: I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? Send the message (or call GetWindowText()) with the window handle of the label, not of its parent. This assumes the label is a window. If not, then you're probably out of luck unless the parent window exposes a special API for the purpose. IIRC, the VCL TLabel is not a window, but rather something the parent window draws when required. Alan Bellingham -- ACCU Conference 2006 - 19-22 April, Randolph Hotel, Oxford, UK Back to top Jeff Guest Posted: Wed Aug 10, 2005 4:49 pm    Post subject: Re: Getting text from within a window How would I get a handle to the label? I've used FindWindow() to get the window handle, but I'm not sure how to get handles to its children? "Alan Bellingham" <alanb (AT) episys (DOT) com> wrote Quote: "Jeff" <Jeff (AT) nospam (DOT) com> wrote: I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? Send the message (or call GetWindowText()) with the window handle of the label, not of its parent. This assumes the label is a window. If not, then you're probably out of luck unless the parent window exposes a special API for the purpose. IIRC, the VCL TLabel is not a window, but rather something the parent window draws when required. Alan Bellingham -- ACCU Conference 2006 - 19-22 April, Randolph Hotel, Oxford, UK Back to top Remy Lebeau (TeamB) Guest Posted: Wed Aug 10, 2005 5:46 pm    Post subject: Re: Getting text from within a window "Jeff" <Jeff (AT) nospam (DOT) com> wrote Quote: I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? After you get the handle of the window that the label belongs to, you need to then get the handle of the label itself. Only then can you access the label directly and do whatever you want with it. Look at FindWindowEx(), EnumChildWindows(), or GetDlgItem() to retreive the label's handle. If the label is not placed on the window directly, but rather is on a container such as a panel, then you will have to drill down the parent/child hierarchy until you reach the container that the label is actually in. Gambit Back to top tinyabs Guest Posted: Wed Aug 10, 2005 6:38 pm    Post subject: Re: Getting text from within a window Alternatively, you can try WindowFromPoint(). Back to top Jeff Guest Posted: Wed Aug 10, 2005 7:51 pm    Post subject: Re: Getting text from within a window Thank you, I'll look into this. "Remy Lebeau (TeamB)" <no.spam (AT) no (DOT) spam.com> wrote Quote: "Jeff" <Jeff (AT) nospam (DOT) com> wrote in message news:42fa2cc5 (AT) newsgroups (DOT) borland.com... I'm trying to get static text that is in a window. I've got a handle to the window, but every thing I've tried (i.e. GetWindowText(), WM_GETTEXT) has only retrieved the caption. How can I retrieve the text of a label within the window? After you get the handle of the window that the label belongs to, you need to then get the handle of the label itself. Only then can you access the label directly and do whatever you want with it. Look at FindWindowEx(), EnumChildWindows(), or GetDlgItem() to retreive the label's handle. If the label is not placed on the window directly, but rather is on a container such as a panel, then you will have to drill down the parent/child hierarchy until you reach the container that the label is actually in. Gambit Back to top Remy Lebeau (TeamB) Guest Posted: Wed Aug 10, 2005 9:27 pm    Post subject: Re: Getting text from within a window "tinyabs" <nospam (AT) me (DOT) com> wrote Quote: Alternatively, you can try WindowFromPoint(). That will only find the top-level window, not any child windows inside of it. You can use ChildWindowFromPoint() after calling WindowFromPoint(), however. 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