domod | lightweight data-binding | Model View Controller library
kandi X-RAY | domod Summary
kandi X-RAY | domod Summary
A lightweight data-binding (or so-called mvvm) library, providing both declarative template and imperative call ways.
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QUESTION
It was mentioned in some of my other threads on my app on that my code was incorrect because the apply button is present. I understand that now. It was said to collect the controls and then when apply is hit to send the data.
I have now idea how to approach that. So for the sake of general education. I have 1 property sheet
and 5 property pages
. For the sake of just general controls in use. Between all the 5, there are only radio
controls and buttons
, no edit controls
(yet).
Let's assume there are 2 radios buttons
and 1 button
on each page.. where page 1
is radio1
, radio2
, button 1
and page 2
is radio3
, radio4
, button2
....and so on.
I know that when the user selects something like a button or radio that the IsModified(TRUE)
needs to be called to enable the apply button from grayed to active.
What would the code look like to scan all the controls and then apply them? I've never done it and I can't seem to find an example that isn't already super busy to gain the understanding of how to do it.
Anyone have a tutorial or code snippet or build a primer from the controls that I described above that could demonstrate how to execute this?
Update:Ok so I have the DDX variables added:
...ANSWER
Answered 2021-May-10 at 21:15Below is an example of an application I wrote some time ago. It's a simple "Settings" dialog. Unlike yours, this one is derived from CDialogEx
. But as CPropertyDialog
is derived from CDialog
, these apply in your case too.
Using the Wizard, I added member variables to the dialog class, bound to the dialog controls. Choose "Value", rather than "Control" in the "Category" combo in the Wizard. These are declared in the class definition. For simplicity, I only show three. There is a CString, an int and a BOOL variable, bound to an edit, a combo-box (drop-down list) and a check-box control respectively.
QUESTION
I have written this function so far:
...ANSWER
Answered 2021-Feb-02 at 20:27Using
IDI_QUESTION
is causing the application to crash
That's because IDI_QUESTION
is a standard icon and must be loaded by passing a NULL
instance handle to ::LoadIcon
, but MFC's CWinApp::LoadIcon
passes AfxGetResourceHandle()
instead. The following bypasses MFC and calls the Win32 API directly.
QUESTION
I am attempting to create a "dark mode" for my Windows C++ app partially for fun, partially to try and fully comprehend the message passing in MFC, but I'm running into some really odd issues that I can't find explained anywhere.
I've spent the better part of today attempting to figure this out and will try my best to cite the many sources I've looked at and attempted to implement.
I believe I've successfully written message handlers for both WM_CTLCOLOR
and WM_ERASEBKGND
based on example code from this answer, but they don't seem to have any effect on my dialogs. I've cut the code down here, but am hoping that I've provided enough to expose my issue. If that still isn't enough, I can (reluctantly) share the entire repo.
SoftwareDlg.h
...ANSWER
Answered 2020-Dec-07 at 06:47Simply use the CDialogEx
class it supports CDialogEx::SetBackgroundColor
and it does all the stuff for static and button controls.
QUESTION
// CMFCApplication1Dlg dialog
CMFCApplication1Dlg::CMFCApplication1Dlg(CWnd* pParent /*=NULL*/)
: CDialogEx(CMFCApplication1Dlg::IDD, pParent)
{
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CMFCApplication1Dlg::DoDataExchange(CDataExchange* pDX)
{
CDialogEx::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CMFCApplication1Dlg, CDialogEx)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_BUTTON1, &CMFCApplication1Dlg::OnBnClickedButton1)
END_MESSAGE_MAP()
// CMFCApplication1Dlg message handlers
BOOL CMFCApplication1Dlg::OnInitDialog()
{
CDialogEx::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
BOOL bNameValid;
CString strAboutMenu;
bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);
ASSERT(bNameValid);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
}
void CMFCApplication1Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
if ((nID & 0xFFF0) == IDM_ABOUTBOX)
{
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
else
{
CDialogEx::OnSysCommand(nID, lParam);
}
}
// If you add a minimize button to your dialog, you will need the code below
// to draw the icon. For MFC applications using the document/view model,
// this is automatically done for you by the framework.
void CMFCApplication1Dlg::OnPaint()
{
if (IsIconic())
{
CPaintDC dc(this); // device context for painting
SendMessage(WM_ICONERASEBKGND, reinterpret_cast(dc.GetSafeHdc()), 0);
// Center icon in client rectangle
int cxIcon = GetSystemMetrics(SM_CXICON);
int cyIcon = GetSystemMetrics(SM_CYICON);
CRect rect;
GetClientRect(&rect);
int x = (rect.Width() - cxIcon + 1) / 2;
int y = (rect.Height() - cyIcon + 1) / 2;
// Draw the icon
dc.DrawIcon(x, y, m_hIcon);
}
else
{
CDialogEx::OnPaint();
}
}
// The system calls this function to obtain the cursor to display while the user drags
// the minimized window.
HCURSOR CMFCApplication1Dlg::OnQueryDragIcon()
{
return static_cast(m_hIcon);
}
void CMFCApplication1Dlg::OnBnClickedButton1()
{
//Simulating the similar code as product
CFrameWnd *pFrame = GetParentFrame();
CMenu popup;
popup.CreatePopupMenu();
LPCWSTR pszMenuItem2 = L"Korean with wchar_t: 기존 운";
AppendMenuW(popup.m_hMenu, MF_STRING, 1, pszMenuItem2);
TCHAR* pszMenuItem3 = "|| Korean without wchar_t: 또는 차량 삽입";
AppendMenu(popup.m_hMenu, MF_STRING, 2, pszMenuItem3);
UINT nCmd = popup.TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD,
14, 20, pFrame, 0);
}
...ANSWER
Answered 2020-Dec-04 at 08:50The problem was in the handle, if I use the right API to get the handle, it shows the popup menu. Here is the updated code.
QUESTION
I created a C++ MFC Program with the Visual Studio Wizard. There I set the application type to "Dialog Based".
I have a button on the first dialog, which opens another dialog. I created this second dialog by right clicking on the project -> Add -> Resource -> Dialog -> New. Then I added a MFC class to the new dialog by double clicking it in resource view.
On the second Dialog I also created a button. I double clicked the button and added some code which should be executed.
When I run the program and click the button on the second dialog, nothing happens and the code is not executed. I did everything like with the button on the first dialog. That one works fine. Why is the second button not working and what do I need to do?
First Dialog
...ANSWER
Answered 2020-Nov-18 at 18:35@andrew-truckle, your side node was the answer! I changed it to:
QUESTION
I am using NLog with a VB.Net project:
...ANSWER
Answered 2020-Nov-05 at 14:47One option could be to load the file into a vector
, and then just use rbegin()
for reverse iteration and inserting file-contents into the dlgLog.
Another option is to investigate how update scrollbar in CTextFileRead
after having loaded the file, so scroll-button is moved down to the bottom.
I actually was using CEdit
control to display the log contents. So in the end I used the following code to automatically scroll to the bottom:
m_editLogData.LineScroll(m_editLogData.GetLineCount());
QUESTION
I want to implement Internet Explorer webview control on my window. I found this answer, on how to do that.
There is a problem: Navigate2
method from the answer is different from the headers I have. In the posters’s code, seems it has only one argument, and maybe others are by default, but I have 5 arguments with the stupidest thing I have ever met - VARIANT
type variables (also, in poster’s code it is _variant_t
which is undefined for me).
Probably I will never understand the sEiFe logic, why to make instead of Navigate2(wchar_t *,...)
cool stuff VARIANT *
(I know about Navigate
method), but can anyone provide an example of calling that method.
This full code
...ANSWER
Answered 2020-Sep-08 at 08:39It appears that you failed to check if GetDlgControl
succeeded. When it fails, ctrl
has an unspecified value and might be null.
Of course, that leaves the question why it would fail, but that's another issue.
QUESTION
ANSWER
Answered 2020-Jul-28 at 09:28The SetMainIcon
member function is what you're looking for. Like most functions that deal with Win32 resources, it has two overloads:
QUESTION
I have a CResizingMFCPropertySheet
with several pages on it. This class is derived from CMFCPropertySheet
. The class definition is fairly basic:
ANSWER
Answered 2020-Jul-21 at 21:31You should set the minimum extents in the passed lpMMI
structure before calling the base class OnGetMinMaxInfo
function.
It is also a good idea to set the minimum_rc
to "empty" in your derived class constructor (or declaration) and check that it is not empty before trying to use it's width and height, so that you only use those values after OnInitDialog
has set them.
QUESTION
EDIT FINAL: Along with the accepted answer, I had to figure out how to close the modal which was not the same as just hiding a dialog in this case.
This bit of javascript helped me to get the modal closed, hide the backdrop, and close it to the point where it would let me reopen another different one on the page.
...ANSWER
Answered 2020-Jul-19 at 08:50$(this).load
is injecting your modal markup inside the button - that's probably not what you want. I'm assuming you meant to use $.get
, which does work a bit differently.
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