C / C++ / MFC

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Re: pointer help Nemanja Trifunovic28-Aug-01 11:09 Nemanja Trifunovic 28-Aug-01 11:09  I assume that pclassZ is of type classZ* Since pClassX is of type classX*, you cannot assign pclassZ to pclassX without casting. They are different types; E.G. char* pChar; float* pFloat; *pFloat = 1000.00; pChar = (char*) pFloat; // OK (although not very wise) pChar = pFloat; //Error I vote pro drink Re: pointer help 29-Aug-01 12:21 29-Aug-01 12:21  (classX*) classY->pclassZ; This is casting (like forcing) a type pclassZ to a type classX*. A good example of this is with casting dialog controls from CWnd* types. CWnd::GetDlgItem(IDC) returns a CWnd*, and is cast as the type of control you are wanting to reference. CListBox* pLB = (CListBox*)GetDlgItem(IDC_MY_LISTBOX_ID); How to detect tap and hold in and edit control ? 28-Aug-01 9:53 28-Aug-01 9:53  Hello, How is it possible to detect a tap anf hold in an edit box control ? I mean how to detect the "tap" (stylus down) ? Once it's done, to determine if the stylus is hold, I think that calling SHRecognizeGesture will be right. But the main problem is to determine that the user pressed the stylus inside the control. Indeed, the first time the edit control is selected, it generates a WM_NOTIFY with code EN_SETFOCUS to the parent of the edit control, but once the edit control is selected and has the focus, tapping inside it does not generate anything (no WM_LBUTTONDOWN, no BS_CLICK, ...) Any idea ? Thank's in advance. --Francois francois_pessaux@yahoo.fr Re: How to detect tap and hold in and edit control ? Paul M Watt23-Feb-02 16:33 Paul M Watt 23-Feb-02 16:33  I believe that you are mistaken, a WM_xBUTTONDOWN message is sent for the proper button when the mouse button is pressed. You can investigate all of the messages that are sent to any window in any application by using Spy++ in the tools of your Dev Studio implementation. Hi, Cnoob28-Aug-01 9:31 Cnoob 28-Aug-01 9:31  just wanted to say hello to everyone and that i'm new on these forums as well as very new to programming. i'm hoping that someday i won't be the one asking but answering the questions. Re: Hi, Carlos Antollini28-Aug-01 10:33 Carlos Antollini 28-Aug-01 10:33  You are welcome!!! Cheers!!! Carlos Antollini. Re: Hi, Nemanja Trifunovic28-Aug-01 10:33 Nemanja Trifunovic 28-Aug-01 10:33  Welcome to the jungle. I vote pro drink Treeview Problem 28-Aug-01 9:07 28-Aug-01 9:07  Hi there, I am having problem with a TreeCtrl that I have. As it stands, if I right click on the area passed a tree item, it will still think that i have clicked on the tree folder item or its text and provide the same context menu. How do I force this thing to recognize whether it is clicking exactly on the treeview item text and folder or the blank area in front of it. thanks Re: Treeview Problem Bret Faller28-Aug-01 9:16 Bret Faller 28-Aug-01 9:16  Perform a hittest and then check if the flag is TVHT_ONITEMRIGHT which is to the right of the item Bret Faller Odyssey Computing, Inc. can't get the data to change rows Cnoob28-Aug-01 7:55 Cnoob 28-Aug-01 7:55  i'm usein mfc wizard with dialog based app. i put a msflexgrid control and managed to populate the first cell. i can't get the data to move down into the second row, it insists on remaining in the top row and when i try and add in a second piece of data for the next cell below it always takes the last data entry and replaces the first. can someone with more experience then i help please!! MFC Classes List Arjen28-Aug-01 7:47 Arjen 28-Aug-01 7:47  Hi, I'm compiling Keywords to add to my XEmacs Syntax Highlighting... I added all the win32 basic types and am now wanting to add MFC Class names (like CTreeCtrl), however even google doesn't seem to know where to find a simple list of all classes... I don't really feel like copy and pasting, I prefer scripting the operation,.... does anyone know where to find a complete list that is copy-able? -- Arjen Re: MFC Classes List Michael Dunn28-Aug-01 17:03 Michael Dunn 28-Aug-01 17:03  Perl will do that in a pinch. foreach $a ( <C:\\msdev6\\vc98\\mfc\\include\\*.h> ) { open HEADER, $a or die $!; while ( <HEADER> ) { print "$1\n" if /^class (\w+)/; } close HEADER; } --Mike-- http://home.inreach.com/mdunn/ You are the weakest link, GOODBYE! Chenge Edit Box color Ghasrfakhri28-Aug-01 7:10 Ghasrfakhri 28-Aug-01 7:10  Hi. What can I do to chenge Edit Box text color & BackGround color. Iman Ghasr-e-fakhri Re: Chenge Edit Box color Paul M Watt23-Feb-02 16:28 Paul M Watt 23-Feb-02 16:28  In the parent of you Edit control, handle the WM_CTLCOLOREDIT, this will allow you to set the forground and background colors in the DC that will be used to paint the Edit control. Two active windows at the same time Huong28-Aug-01 6:27 Huong 28-Aug-01 6:27  In MS Word 97, when I drag any toolbar (such as drawing toolbar) and drop it on the main client window, it becomes a window with small title bar. It makes me surprised that when I click on a button on the toolbar, the cursor on MS Word window still blink and MS Word window is still active. Vice versus, when I type, the toolbar window is still active. I try to create a window like that by the API Fuction CreateWindowEx and set window style as WS_Ex_TOOLWINDOW, and its parent as another window; However, this window becomes de-active when I click on its parent window. I wish to receive any explaination for this phenomenon. Thank you very much. Submenus 28-Aug-01 6:12 28-Aug-01 6:12  Hi there, I was wondering if there is anyway to disable a submenu in MFC. Since you create a submenu by selecting "Popup" option under the menu item and there are no IDs associated with this Popup menu, I am not sure how you can modify the menu. thanks Re: Submenus gordingin28-Aug-01 6:17 gordingin 28-Aug-01 6:17  Are you saying that you want to have a menu with x number of sub menus but grey out the top level menu? Ralph Krausse www.consiliumsoft.com Home of FastRun, the only application launcher that integrates itself into the taskbar! Re: Submenus gordingin28-Aug-01 6:24 gordingin 28-Aug-01 6:24  Try this code. x represents the number of the menu, zero based. CMenu* pMenu = AfxGetMainWnd()->GetMenu(); pMenu->EnableMenuItem(x,MF_BYPOSITION|MF_GRAYED); Re: Submenus Tomasz Sowinski28-Aug-01 7:08 Tomasz Sowinski 28-Aug-01 7:08  The solution was published in Feb'99 issue of MSJ, in "C++ QA" column by Paul DiLascia. You may have this article in your MSDN, if not, it should be avialable online at msdn.microsoft.com. Tomasz Sowinski -- http://www.shooltz.com Generating HTML docs from code billb211228-Aug-01 6:06 billb2112 28-Aug-01 6:06  Does anyone know of a shareware/freeware tool that will take my function, file, and class headers and make them into an HTML file? I get hooked on this ability w/ the DotNET beta 2 XML comment stuff, but here at work I'm still using 6.0 and I think we could really benefit from generating docs from our source code comments. Thanks, Bill http://www.ratebeer.com Re: Generating HTML docs from code Tim Deveaux28-Aug-01 6:43 Tim Deveaux 28-Aug-01 6:43  Doxygen Re: Generating HTML docs from code billb211228-Aug-01 7:51 billb2112 28-Aug-01 7:51  Looks like exactly what I need, thanks a lot! Bill http://www.ratebeer.com VC++ , Apply code changes. Will Nolan28-Aug-01 5:59 Will Nolan 28-Aug-01 5:59  Hi, Previously, while running in debug, i was able to edit my code and select "Apply code changes" from the context menu in VC++. For some reason this ability has stopped and all i seem to get is the option "Apply code Changes" greyed out! Can explain this? Re: VC++ , Apply code changes. Tomasz Sowinski28-Aug-01 7:06 Tomasz Sowinski 28-Aug-01 7:06  Check Project->Settings->C/C++->General->Debug info. It should be set to "Program database for edit and continue". Tomasz Sowinski -- http://www.shooltz.com Re: VC++ , Apply code changes. Will Nolan28-Aug-01 22:30 Will Nolan 28-Aug-01 22:30  That option was set, Any other ideas?

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