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Thank you.
I very much appreciate the background information.
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I made a program and produced the exe file with visual studio 6. But when I sent the exe to another computer it couldn't work because dlls were missing. How can I know what dlls to have with the exe files in order to work and how will I find them? Isn't there an automated way to do this?
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Use DependcyWalker. This tool is included with Visual Studio. It will show you all the dll's required by your application to run.
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Have a look at "static linking" in Visual Studio.
If you static link then the necessary functions are included in your EXE (This also makes the EXE much bigger, but EXE size is good to impress unknowledgeable customers!)
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No luck. I put it in: use mfc as a static library, and errors were created..
I can't seem to find a way to see what dlls are called..
I must be doing something wrong and I don't have DependcyWalker. How do they do it?..
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Are you sure you don't have DependencyWalker ?
Look for a file called depends.exe, under
[Path to Visual Studio]\Common\Tools
Hope this helps
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That helped, thanks!
I found it. Now what remains is to send the prorgam to someone ans see if it works 
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Hi everyone, forgive me if my errors will seem trivial to you, I've only recently starting working with Windows programming and MFC (although I've had plenty of experience programming in console), and my program doesn't seem to work as expected.
First of all, let me explain what it should do and how it's set up. Basically, I have a dialog box with 5 edit boxes and 1 "ok" button on it. I'm trying to get the dialog boxes to work like the ones for the registration key with one little extra feature. The caret should jump to the next box after 5 characters are put into one box, and also if the user uses copy/paste command, the pasted text gets split into the boxes. Well, I wrote the program that should do all this, but there are some things that happen that should not happen and I have no clue why. Basically I have the first 4 boxes carry identical code:
<br />
void Dlg2::OnChangeEdit1() <br />
{<br />
<br />
CWnd* m_wEdit1=GetDlgItem(IDC_EDIT1);<br />
m_wEdit1->GetWindowText(key1);<br />
temp=key1.GetLength();<br />
if (temp>4)<br />
{<br />
temp-=5;<br />
CWnd* m_wEdit2=GetDlgItem(IDC_EDIT2);<br />
m_wEdit2->SetWindowText ( _T(key1.Right(temp)));
m_wEdit1->GetWindowText(key1);<br />
if(temp>0) m_wEdit1->SetWindowText ( _T(key1.Left(5)));<br />
m_wEdit2->SetFocus();<br />
}<br />
}<br />
and the fifth box just limits the maximum text to 5. The above code works fine for typing the key in manually, the cursor switches to next window after 5 characters are typed in. However, copy/pasting the code in doesn't work like I expected it to. Instead, the first box gets all of the pasted text, the 2nd gets all but the first 5 characters, and so on. So for example if I type in "abcdefghijklmno", the first box will have "abcdefghijklmno", 2nd will have "fghijklmno" and 3rd "klmno".
Now here is what's even weirder. If I take the exact same code from above, change the "if (temp>4)" statement to "if (temp>5)" and remove the "if (temp>0)" part from the "if (temp>0) m_wEdit1->SetWindowText(_T(key1.Left(5)));" then the copy/pasting works like it should with each box only receiving 5 characters, but when the text is put in manually the cursor goes right before the last character when it is moved to the new box. This makes sense, since I never ordered the caret to move, but as I will explain in a moment even ordering it to move won't do anything. Another thing is, if I leave the "if (temp>4)" message alone, and just remove the "if (temp>0)" part, the program crashes when it processes the 5th character. This I don't udnerstand either, the if is in front of the statement that selects the 5 characters to be put into the first box. Therefore it's guaranteed that when the user puts in 5 characters there should be enough characters for the first box, yet it always crashes after 5th character is put in (or when the message is pasted into it that's longer than 5 characters). I'm very confused by this error as well.
Last, but not least, the caret isn't moving. If I add the code below to the code above after the last line (SetFocus one) then it gives the same result as if there is no code at all:
<br />
CPoint myPoint = m_wEdit2->GetCaretPos();<br />
CDC* pDC = m_wEdit2->GetDC();<br />
myPoint.x += (pDC->GetTextExtent (_T(key1.Right(temp)), temp)).cx;<br />
SetCaretPos (myPoint);<br />
And I don't understand why this doesn't work either. Basically all I'm doing is taking the current caret position, figuring out the physical length of the text, and offsetting the caret. But it doesn't get offset. I even tried creating a new function "OnSetFocusEdit2" so that it gets called as soon as focus is set to second edit box, which box 1 does when it finishes and copying the caret code there instead, but still no effect. If anyone can explain to me these weird happenings, I would appreciate it.
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At least for setting the caret position, you can 'select' text in the edit field, just have the start and end at same position. It will position caret in the edit field at that character position, but none of the text will be selected.
For example:
m_wEdit2->SetSel(4,4);
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class CMyDlg : public CDialog
{
CButton m_btnOK;
CEdit m_ebKey5;
CEdit m_ebKey4;
CEdit m_ebKey3;
CEdit m_ebKey2;
CEdit m_ebKey1;
afx_msg void OnChangeEdit1();
afx_msg void OnChangeEdit2();
afx_msg void OnChangeEdit3();
afx_msg void OnChangeEdit4();
afx_msg void OnChangeEdit5();
void EnableOKButton( void );
};
void CMyDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
DDX_Control(pDX, IDOK, m_btnOK);
DDX_Control(pDX, IDC_EDIT5, m_ebKey5);
DDX_Control(pDX, IDC_EDIT4, m_ebKey4);
DDX_Control(pDX, IDC_EDIT3, m_ebKey3);
DDX_Control(pDX, IDC_EDIT2, m_ebKey2);
DDX_Control(pDX, IDC_EDIT1, m_ebKey1);
}
BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
ON_EN_CHANGE(IDC_EDIT2, OnChangeEdit2)
ON_EN_CHANGE(IDC_EDIT3, OnChangeEdit3)
ON_EN_CHANGE(IDC_EDIT4, OnChangeEdit4)
ON_EN_CHANGE(IDC_EDIT5, OnChangeEdit5)
END_MESSAGE_MAP()
BOOL CMyDlg::OnInitDialog()
{
CDialog::OnInitDialog();
m_ebKey1.SetLimitText(5);
m_ebKey2.SetLimitText(5);
m_ebKey3.SetLimitText(5);
m_ebKey4.SetLimitText(5);
m_ebKey5.SetLimitText(5);
return TRUE;
}
void CMyDlg::OnChangeEdit1()
{
if (m_ebKey1.GetWindowTextLength() == 5)
m_ebKey2.SetFocus();
EnableOKButton();
}
...
void CMyDlg::OnChangeEdit4()
{
if (m_ebKey4.GetWindowTextLength() == 5)
m_ebKey5.SetFocus();
EnableOKButton();
}
void CMyDlg::OnChangeEdit5()
{
EnableOKButton();
}
void CMyDlg::EnableOKButton( void )
{
bool bEnable = true;
bEnable &= (m_ebKey1.GetWindowTextLength() == 5);
bEnable &= (m_ebKey2.GetWindowTextLength() == 5);
bEnable &= (m_ebKey3.GetWindowTextLength() == 5);
bEnable &= (m_ebKey4.GetWindowTextLength() == 5);
bEnable &= (m_ebKey5.GetWindowTextLength() == 5);
m_btnOK.EnableWindow(bEnable);
}I did not do anything for the copy/paste requirement.
"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown
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I want to do Owner draw in ClistCtrl.
When ever a new Item is inserted to the report view of CListCtrl, the total list is getting painted.
Is there any way that I can only paint the new item to the Report View.
Nagarjuna
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Hi everyone!
I don't know how to process the message when you use arrow key to move to next item in ListView like LBN_SELCHANGE in ListBox.
Please help me!
Thanks
Love
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You'll need to handle the LVN_xxx notifications.
"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown
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i know that, but there is no message for the event I told. The message NM_CLICK to handle click event. If we user arrow key to select another item, there is no message
Love
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Duy Nghia wrote:
...but there is no message for the event I told.
Sure there is. It's LVN_ITEMCHANGED.
"Ideas are a dime a dozen. People who put them into action are priceless." - Unknown
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My Application needs a MDI and the multiple documents.But want to provide
the same fuctionality with Tab control(on New should open
a add page and create the RichEditCtrl window.) on Edit the i need
multiple CRichEditCtrl should exist with its content in all the pages.
Please suggest some mechanism.
DG
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Hi All,
Does anyone know why GetText() gives a string of random garbage when called on my owner draw list box class?
If I clear the owner draw style, it behaves perfectly, but when it's set I get purely random values.
Cheers
jon
using System.Beer;
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You probably already discovered what the issue is back in 2005. However, googling for the same issue in 2023 brought me here.
For anyone else having the problem, you need to also set the LBS_HASSTRINGS state for the ownerdrawn listbox.
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I need to get the time in microseconds and place it into an unsigned short and have it roll over; e.g. 0 -> FFFF -> 0 etc.
See code below:
bool okMicroTime;
static double lastTimeMicroSec = 0;
static double currentTimeMicroSec = 0;
LARGE_INTEGER micro;
long timeMicrosec;
static unsigned short timeMicroseconds = 0;
okMicroTime = QueryPerformanceCounter (µ);
currentTimeMicroSec = micro.QuadPart;
if(lastTimeMicroSec == 0)
{
lastTimeMicroSec = currentTimeMicroSec;
}
timeMicrosec = (long)(currentTimeMicroSec - lastTimeMicroSec);
timeMicroseconds = (unsigned short)((timeMicrosec) & (0x0000FFFF));
I cant seem to get the roll over right, any suggestions please as I can no longer see the wood from the trees.
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hiho@ll
i think it must be simple, but i don't know how this works and searching the documentation i can't really find functions which i could do this:
how can i get the upper left pixel of a HBITMAP?
thx@ll
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First Select the HBITMAP In dc and then call GetPixel(..) with 0,0 as parameter .
"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow
cheers,
Alok Gupta
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hiho
i'm using a browser helper object, which i didn't write
the first problem now, was that the compiler didn't find the definition of CDC
so i made a temporary new project, which uses MFC as a dll
i copied the stdafx.h of my helper object
now everything works but:
i get the following error:
BHO error LNK2005: _DllMain@12 already defined in bho.obj
i read this article
http://support.microsoft.com/default.aspx?scid=kb;en-us;q148652
but i'm not really sure what to do?
the problem is that it seems that some libraries are compiled before the MFC libs (i need MFC libs first)
i used the linker option: /verbose:lib
and i got MANY MANY libs used!
so how should i know the compiler order?
or is there another solution?
OR anybody knows a differen solution for getting the upper left pixel than using CDC?
thx
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Hello,
There are also other solutions given in the article. Did you try those?
Behind every great black man...
... is the police. - Conspiracy brother
Blog[^]
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jup
tried but didn't work
now i made it using GDI functions:
i tried the following:
HDC hdc=::GetDC(parent);
SelectObject(hdc,hbmp);
SetPixel(hdc,1,1,RGB(255,0,0))
COLORREF cf=GetPixel(hdc,1,1);
i should get 255,0,0 using GetR/G/BValue functions, not?
but i get 255,255,255
i also tried make a CWindow by myself using ::GetDesktopWindow() as parent
--> the same problem
??
if i try to make my own CWindow without a parent
(new CWindow(), Create("test",NULL))
i get an exception
what could be the problem, that i get the false RGB values?
thx@ll
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There could be a lot of reasons that it doesn't work. I don't know excactly which one it is, but you could check the return values of the functions and display any error information. That often helps..
Behind every great black man...
... is the police. - Conspiracy brother
Blog[^]
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