Create another Window on WM client GUI

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I'm creating a GUI of instant messaging on WM client, in C++. So far, I've created a window (ListView) for the list of users. I want to create another window, a smaller constant one, at the top of the screen (for my info). How do I split the screen into two different sections?

Posted 17-Jun-12 4:07am

NettaD

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Richard MacCutchan · Answer 1 · 2012-06-17T07:40:00

Solution 1

If you are using MFC then you can use a CSplitterWnd[^]. If using pure Win32 then search the articles section for some samples on making splitter windows.

Posted 17-Jun-12 7:40am

Richard MacCutchan

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enhzflep 17-Jun-12 19:24pm

+5, Good answer.
I didn't consider splitter windows on account of the text "a smaller constant one" Could be just what the doctor ordered!

Richard MacCutchan 18-Jun-12 4:15am

Well, I guess you could do it with two separate windows, but that does not follow the Windows design principles.

enhzflep · Answer 2 · 2012-06-17T07:43:00

In short, you don't.

I think you're looking at this from the wrong perspective.

Each window (except the desktop) has a parent. You can position these windows anywhere you like within the bounds of it's parent's clientRect.

You would typically create a window for your app, before going on to add the controls to it. You may wish to download ResEdit[^] as it lets you draw the gui in wysiwyg mode, allowing you to save as a .RC file or to preview the C code need to create the gui.

Assuming parentHwnd is the HWND of the window that holds your controls and both IDC_LIST_USERS + IDC_STATIC_INFO have been #defined with ints to represent the control ID that is passed to the WindowProcedure when something happens :

C++

HWND userListCtrl = CreateWindowEx(0, WC_LISTVIEW, 0, WS_VISIBLE | WS_CHILD | WS_TABSTOP | WS_BORDER | LVS_ALIGNLEFT | LVS_ICON, 21, 46, 123, 156, hwndParent, (HMENU)IDC_LIST_USERS, hInst, 0);

HWND infoWndCtrl = CreateWindowEx(0, WC_STATIC, (""), WS_VISIBLE | WS_CHILD | WS_GROUP | SS_LEFT, 21, 16, 239, 13, hwndParent, (HMENU)IDC_STATIC_INFO, hInst, 0);