Visual C++ :: Use CFormView As Main View Without Using Document Support?
Jul 17, 2013
Is it possible to use a CFormView as the main view without using document support. IE pointing CWinApps m_pMainWnd to the CFrameWnd derived MainFrame and attaching the CFormView from there. It does not seem to be working and I was wondering before I waste any more time on the solution if it is even possible. I know it is an easy solution if I create a true SDI application however I have no use for documents in this application.
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Apr 21, 2014
You should implement the following function:
int is_phone_number(char* string)
This function will take in a string and return 1 if it looks like a phone number 0 otherwise. A phone number takes the form (xxx)-xxx-xxxx where the xs are digits 0-9. So for example (123)-456-7890 is a valid phone number while 123 456-7890 is not.
You should also write a main function that parses a text document and prints out all of the phone numbers found. Hint, look up the strtok function.
Sample input:
Please call me at (123)-456-789 sometime tonight.
Sample output:
Phone number : (123)-456-7890
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Sep 16, 2014
I can't get tooltips to show up for the windows I want in my CFormView derived class. I have copied the code from the MSDN entry on EnableToolTips(). But only two windows respond with a tooltip:
CONTROL "Tree1",IDC_TESTPLANS,"SysTreeView32",TVS_HASBUTTONS | TVS_HASLINES | TVS_EDITLABELS | TVS_SHOWSELALWAYS | WS_BORDER | WS_HSCROLL | WS_TABSTOP,1,36,85,91
CONTROL "Tab1",IDC_TABCMD,"SysTabControl32",0x0,101,0,239,181
Other windows do not respond. For these windows my function designed to catch the TTN_NEEDTEXTW and TTN_NEEDTEXTA messages is not called. Windows such as
LISTBOX IDC_TESTPLANNAMES,0,119,48,40,LBS_SORT | LBS_NOINTEGRALHEIGHT | WS_VSCROLL | WS_TABSTOP
PUSHBUTTON "",IDC_BTN_COPY,105,177,24,24,BS_ICON
Why wouldn't the messages be sent for those windows? I'm using the code
ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTW, 0, 0xFFFF, &CCntlrView::OnTtnNeedText)
ON_NOTIFY_EX_RANGE(TTN_NEEDTEXTA, 0, 0xFFFF, &CCntlrView::OnTtnNeedText)
(CCntrlView is the name of my class derived from CFormView.) And as I pointed out, I'm using the code straight from the example given in MSDN for CWnd::EnableToolTips(), with the only difference being that all my controls are created in the rc file as shown above.
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May 28, 2013
My app crashes when I attempt to create a CWnd as shown below. I am attempting to create the CWnd with a a parent of type CFormView. Why this might be crashing?
Code:
CWnd::Create(AfxRegisterWndClass(CS_DBLCLKS), CString(windowName.c_str()), WS_VISIBLE | WS_BORDER, dimensions, parent, NULL, NULL);
The call stack looks like this:
Code:
mfc100ud.dll!AfxGetInstanceHandle() Line 21 + 0x20 bytesC++
mfc100ud.dll!AfxRegisterWndClass(unsigned int nClassStyle, HICON__ * hCursor, HBRUSH__ * hbrBackground, HICON__ * hIcon) Line 1462 + 0x5 bytesC++
And the line that crashes here us the AfxGetInstanceHandle() call:
Code:
LPCTSTR AFXAPI AfxRegisterWndClass(UINT nClassStyle,
HCURSOR hCursor, HBRUSH hbrBackground, HICON hIcon) {
// Returns a temporary string name for the class
// Save in a CString if you want to use it for a long time
LPTSTR lpszName = AfxGetThreadState()->m_szTempClassName;
// generate a synthetic name for this class
HINSTANCE hInst = AfxGetInstanceHandle();
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Sep 9, 2013
I am struggling with how to efficiently design my class objects to support the outlining of a collection of items. The collection would be sorted but would also have the ability to indent and outdent individual items representing a Parent and Child relationship (see attached).
An item could indent up to 5 levels deep. A summary level would be considered a Parent while items below the summary level would be consider as children.
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Oct 11, 2012
I have an MFC program created from the app wizard. It is an MDI program, reading/writing text files using Serialize. I can read the document and know that the entire document was read into my buffer without any errors. This was verified by compaing the number of bytes read with the file length.
How do I get the document to display in my main/child window?
How do I read the document from the window so I can save it back to the file?
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Apr 10, 2013
I am using Visual Studio 2010 with WindowsXP 32 bit. when i placed break points in my solution and trying to debug then i am getting THE BREAKPOINTS CAN NOT BE HIT NO SYMBOLS HAVE BEEN LOADED FOR THIS DOCUMENT issue.
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Nov 6, 2012
I'm trying to exchange data between doc and view but i can't do it.
I've readed that i need to write AddView but i don't know where.
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May 13, 2014
I have a app with doc/view architekture. Is it possible to show/edit a doc of this type also in a CDialog within this app? How can I do that?
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Jul 31, 2013
I have written a class "FileSet " in program's Document class.
This class contains other Four classes as
"Machine1" , "Machine2", "Machine 3" and "Machine 4".
Now my problem is Machine 1 can not access variables from Document class or other variables from FileSet.
How to access them ?
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Jan 29, 2014
Is it possible to see what usb devices are connected to a hub?
An example would be:
Onboard usb hub:
usb mass storage device
webcam imaging device
superspeed hub:
Mass storage device
Printer
MTD device
I am currently able to get a list of all connected devices with ManagementobjectCollection in C# but that doesn't give me any hierarchy (as far as I am aware).
I am not dead set on C#, I assumed that would be fastest way to get this up and running.
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Jul 29, 2013
I'm working on an app which monitors user selected data sets from various devices, and I'd like to display the data in a CListCtrl. This would be very convenient, but I'm just a little concerned about (1) just how fast can a CListCtrl be populated, and (2) how can i reduce or eliminate screen flicker. To be specific...
1. There will likely be upwards of 100 rows of data, maybe more (probably 5 or 6 columns), and I'm going to have to refresh it all as quickly as possible, perhaps as fast as once per second. I can play games and only refresh a visible rectangle, but how responsive the control would be, having all that data deleted and refreshed continually?
2. You can see why I'd be worried about screen flicker, and I thought I'd likely have to make two identical overlapped controls so I could double buffer as I would with a graphic animation, switching the visibility of one or another control after its updated to give the appearance of sudden complete updates. BUT... I see there is an extended style you can set called "LVS_EX_DOUBLEBUFFER"
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Jul 22, 2014
I have a program I have been working on where the user selects a date and enters the number of days to be viewed in the Calendar.cshtml view. This input renders another view (Update.cshtml) that contains two date picker boxes, one that should contain the selected date and the second one that should contain the calculated date. I am having an issue getting the date selected in the first view to populate to the first date block on the second view as the default and getting the calculated date to populate the second date block in the Update.cshtml view. In addition given the two dates, I would like to generate a calendar, which is why I chose the date picker approach and setting static dates.
Here is my code:
**CalendarController:**
using System.Web.Mvc;
using VanickCalendarApp.Models;
using System;
namespace VanickCalendarApp.Controllers {
public class CalendarController : Controller {
[Code] .....
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Jun 23, 2013
This is what I try to achieve:
1. Using a CScrollView as the View class type.
2. Using Document/View Architecture.
3. Insert multiple Common Controls such as CEdit, CButton, CListCtrl into the View dynamically.
4. All the Common Controls is base on a template created by user. So I do not know the quantity of the Common Controls.
This is the plan on how to do it:
1. In View OnInitialUpdate(), read the template to get all necessary info on the Common Controls to be create.
2. In View OnInitialUpdate(), create all Common Control. Some Common Control may not have WS_VISIBLE as it may not needed at initial stage.
3. In View OnUpdate(), I need to refresh the Common Control properties such as is its text, position or its visibility. This should happen if Document call UpdateAllView().
My Question:
1. Is this a normal & useable plan?
2. Do I miss other functions for any other messages?
3. Still wondering if I need to involve any coding in OnDraw() for this plan.
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Aug 7, 2013
How would I go about selecting a subitem in a listview control with just pure Win32 API? I know it's possible with MFC... but I can't use MFC for this project. Right now, when you click on a subitem , it selects only the first column of the row . I used the following by referring internet. But its not working.
HTML Code:
iSlected=SendMessage(hList,LVM_GETNEXTITEM,-1,LVNI_FOCUSED|LVNI_SELECTED);
ListView_SetItemState(hList,iSlected,LVIS_FOCUSED|LVIS_SELECTED,0x000F);
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Nov 3, 2012
My program allow user to draw lines and the user should know the length of the line that he draw in centimeter (.cm)
I did use
SetMapMode(MM_LOMETRIC) function to convert the device units into logical units
and it works correctly but I don't know how the line length will appear to the user to let him draw in correct length
I think to make the length appear on the mouse when the user draw but I don't know how I calculate and display it.
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Apr 7, 2014
I created two split views like this:
BOOL CMainFrame::OnCreateClient( LPCREATESTRUCT lpcs, CCreateContext* pContext ) {
CFrameWnd::OnCreateClient(lpcs, pContext);
if (!m_wndSplitter.CreateStatic (this, 2, 1) ||
[Code]....
When I step into CMainFrame::OnAlohaHowAreYou(), I found m_pDoc is NULL. If I remove the split views and make CMainFrame::OnCreateClient() like below, then there is no problem.
BOOL CMainFrame::OnCreateClient( LPCREATESTRUCT lpcs, CCreateContext* pContext ) {
CFrameWnd::OnCreateClient(lpcs, pContext);
return TRUE;
}
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Sep 24, 2012
I want to display data from text file in list view and in tree view root will be file name, but i dont know how to do it, the problem is with displaying text file data in list view, i don't know anything about that. text file data is very simple. It is just a square matrix of double values like:
21.06 34.06 5.0
12.78 45.25 6.9
12.89 45.98 5.5
in list view i want to display it.
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Mar 15, 2013
Found an online suggestion of using an rc2 file and cut and paste stuff from .rc file to .rc2 file to see which line causes the problem but don't know how to create a blank .rc2 file. Problem started after I ported from VC++ 6 to VS2010.
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Feb 19, 2015
When i click the back button, I like to skip some old pages & rotate pages view in my property sheet.
I have 5 pages, when i clicked the User button in my MainDlg the below function called like,
User Button Clicked -> Page1 Opened
Next Button Clicked
-> Page2 -> Page3 -> Page4 -> Page5
Back Button Clicked
Page1 <- Page2 <- Page3 <- Page4 <- Page5
This work done. working good.
Code:
void MainDlg:: onButtonUserClicked()
{
CSheet oSht(this);
Page1 p1;
[Code]...
My requirement is,
User Button Clicked -> Page1 Opened
Next Button Clicked
-> Page2 -> Page3 -> Page4-> Page5 -> Page1(Again called 1st page automatically - rotate pages view)
Back Button Clicked(Cur Page loc is Page5)
(Start the prev Process)Page5 <- Page1 <- (Skip the Page2 & 3)Page4 <- Page5
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Nov 29, 2012
I tried to do this with _spawnl(), but first of all I'm not sure how to properly ask for the path to iexplore.exe, as I'm sure it will change every time MS gets a whim to move it. I know there's a GetWindowsDirectory() call, but that's not where IE resides (its in "C:Program FilesInternet Exploreriexplore.exe" in XP, Lord know where on win 7 or 8).
Also, even temporarily hard coding the path to make it launch with spawnl(), I can't seem to get my html document to display. I know the path to that is right (since I put it there ).
char * pFile = "someFile.htm";
char * pCmd = "C:Program FilesInternet Exploreriexplore.exe";
int res = _spawnl(_P_NOWAIT, pCmd,pCmd, pFile, NULL); // also tried without specifying pCmd 2x
if (res == -1) MessageBox("Can't Open File.");
So my second question would be, how to you PROPERLY pass the file to view as an argument.
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Jan 15, 2014
i can write a mfc program to make a Thumbnail view with image but can not this when change image with CDialogBox.
Thumbnail view with image(chart) like this:
for (int i=0;i<10;i++) {
CChartContainer *cc = new CChartContainer();
if(cc->m_frmWin->Create(_T(""),
WS_CHILD|WS_VISIBLE|SS_BITMAP, rc,
this,idDyn)) {
}
}
how can i write mfc program to make a Thumbnail view of CDialogBoxs?
do i can use CListCtrl for show multiple DialogBoxs?
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May 13, 2015
I have a CMFCToolbar containing a CMFCComboBoxButton which needs to be updated via a view. The view correctly updates the selection of the ComboBoxButton however the edit window is not updated until the control receives the focus or the entire window is redrawn.
How can I force the redrawing of the control to show the updated selection via the view
TextEditView::OnUpdateFontBox(CCmdUI *pCmdUI) routine?
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Sep 9, 2014
I know how to define a shape (here, a rectangle) and attach it to a window in C++ as follows:
Code:
#include <Simple_window.h>
void cir() { Circle c(Point(100,100),50); }
int main() {
Simple_window win(Point(100,100),600,400, "test");
[Code] ....
But how to define a shape (say a circle by that cir() function which is) outside of the main() function that is how to create a circle inside of the cir() function and it returns that circle when I called it in my main() function so that I can attach it on the window win to be visible?
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Jul 17, 2014
I have been playing around with property sheets/property pages and have been successful in getting them to work in a secondary dialog by calling the property sheet using DoModal().
How to get the property sheet to display on the main dialog of a dialog application.
I am using VS2008 and CMFCPropertySheet and CMFCPropertyPage.
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Feb 3, 2012
I have source code that is shared between two compilers, one supports TR1 and one doesn't. I've reverse engineered a few of the TR1 templates for the older compiler, but I need to be able to detect whether TR1 is supported or not, so as to include the correct header.
Something like this.
Code:
#ifdef SUPPORTS_TR1
#include <array>
#else
#include "mystl/array"
#endif
std::array<int, 10> myarray;
The compiler that supports TR1 is Visual Studio.
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