C / C++ / MFC

30-Jan-07 0:59

Hi !!!

In my application,I have created one dialog box which showing preview of the symbol.Now i want to insert this symbol in my Application( Autocad).How can i insert this??

Ie if I will click OK button from Dialog box then symbol (preview)should be insert in the Autocad.??

Thanking you

Shah

Roger Stoltz30-Jan-07 1:15

Roger Stoltz

30-Jan-07 1:15

AutoCad[^]? Your application?

Shah Satish wrote:
How can i insert this?

Really hard to tell.
I assume that the preview is not the actual object that is to be inserted, but rather a small bitmap or similar just to show the user how it looks.
You have to describe the "symbol". What is it? An OLE object, picture or what?

You have to describe the target as well.
What kind of application is it? What does it mean to "insert" a "symbol"?

"It's supposed to be hard, otherwise anybody could do it!" - selfquote

Shah Satish30-Jan-07 1:20

30-Jan-07 1:20

Symol is from my file..Like C:\\Symbol\\Exchangers\\Exchanger_1_i.dwg

(here Exchanger_1_i.dwg is the symbol and its Autocad drawing)

This is the preview of the dialog box.

Roger Stoltz30-Jan-07 1:44

Roger Stoltz

30-Jan-07 1:44

Ok... This is how I understood you so far:
It is the actual commercial CAD application AutoCad and the "symbol" you want to insert is an AutoCad drawing.
So the question is really about "how do I insert an AutoCad symbol in an AutoCad drawing"?
Man, you really picked the wrong forum for this question... Try AutoCad support. Wink | ;)

Actually I don't think this is the case, but if I only read the things you're writing, that would be the only conclusion.
The questions in my previous post was meant to narrow the problem down and trying to understand what you're trying to do and how you're trying to do it. At least try to answer those questions if you still want some help.
Perhaps I cannot help you, I don't know that yet since you haven't described your problem in an understandable way, but there might be someone else that can. They would ask you similar questions however.

"It's supposed to be hard, otherwise anybody could do it!" - selfquote

Shah Satish30-Jan-07 1:53

30-Jan-07 1:53

Yeh..You got my question correctly..

See my code..

BOOL CDwgPvDLG::OnInitDialog()
{
	CDialog::OnInitDialog();

	
	//static bool isFirstRun = true;

 
	m_mytext.AddString(_T("Exchanger-Double end"));
        m_mytext.AddString(_T("Exchanger-Single end"));
        m_mytext.AddString(_T("Exchanger-Double end kettle"));
	m_mytext.AddString(_T("Exchanger-Single end kettle"));
	m_mytext.AddString(_T("Exchanger-Super"));
	m_mytext.AddString(_T("Exchanger-Process Flow"));
     

  if (str == _T("")) {

    // This is default value.

	   m_mytext.SetCurSel(0);

	   mydwg = _T("C:\\Symbol\\Exchangers\\Exchanger_1_i.dwg");

   }

   else{

	   m_mytext.SelectString(-1,str);
    }
 
    this->Invalidate(FALSE);
    
	return TRUE;
}

void CDwgPvDLG::OnPaint()

{
    // This is the class for preview of my drawing.	CDwgPreview ::ShowInDialog (mydwg,this,IDC_PVTYP);

	CPaintDC dc(this); 
	
	// device context for painting
	// TODO: Add your message handler code here
	// Do not call CDialog::OnPaint() for painting messages


}

void CDwgPvDLG::OnselectionchangeList()
{
	// TODO: Add your control notification handler code here
	
   int nEntry = m_mytext.GetCurSel();
   

   const IndexEntry *pEntry = m_pPermutedIndex->GetIndexTableEntry(nEntry);

   this->Invalidate(FALSE);

   
}

void CDwgPvDLG ::OnOK()
{
    CDialog::OnOK();

	
   m_mytext.GetText(m_mytext.GetCurSel(),str);

  //Here i have to add some code for inserting my symbol (.dwg).	

}

Shah

jhwurmbach30-Jan-07 2:40

jhwurmbach

30-Jan-07 2:40

In your code, you can probably call your class roughly like this:

CDwgPvDLG m_DwgPv;

if( IDOK == m_DwgPv.DoModal()) {
CString DWGItem = m_DwgPv.str;
//do whatever you want with the string the user did select in the dialog
}

Hope this helps?
Feel free to ask more.

"We trained hard, but it seemed that every time we were beginning to form up into teams we would be reorganised. I was to learn later in life that we tend to meet any new situation by reorganising: and a wonderful method it can be for creating the illusion of progress, while producing confusion, inefficiency and demoralisation."

-- Caius Petronius, Roman Consul, 66 A.D.

Shah Satish30-Jan-07 2:46

30-Jan-07 2:46

Thanks for reply..But this is code for Calling dialog box..I have alreday call dialog box through command..only step is how to insert file ( for exmple this is my string n now i want to insert ..("C:\\Symbol\\Exchangers\\Exchanger_1_i.dwg")

every thing should be in On ok().. like..

void CDwgPvDLG ::OnOK()
{
    CDialog::OnOK();

	
   m_mytext.GetText(m_mytext.GetCurSel(),str);

   ads_point point;

   acedGetPoint(NULL,(_T("\nPick position : ")),point);

  // some code here to insert dwg.


}

jhwurmbach30-Jan-07 2:51

jhwurmbach

30-Jan-07 2:51

Shah Satish wrote:
every thing should be in On ok().. like..

That is bad style. Have the Dialog do one thing (i.e. get a selection from the user) and do the work from where the dialg had been called.
Possibly by opening other dialogs to get the user to answer more specific questions.

Or are you doing a dialog-based application and this is your main dialog?

Shah Satish30-Jan-07 2:54

30-Jan-07 2:54

Yeh..This is MFC dialog based application and this is only one and main dialog box..

Your method is also good but main thing is How to insert ??

Cross-Process Subclassing

jhwurmbach30-Jan-07 2:57

jhwurmbach

30-Jan-07 2:57

Shah Satish wrote:
Your method is also good but main thing is How to insert ??

I have not the faintest idea of how to handle a dwg-file.
You would need to know the format, read it, parse it, build an internal representation of it and draw that.
Sorry, but I don't think I can help you with that specific problem.

Force Code30-Jan-07 0:47

Force Code

30-Jan-07 0:47

I am trying to use a well-documented method to subclass across processes in windows (See the following Smile | :)

http://www.codeproject.com/dll/subhook.asp[^]

Specifically, I'm trying to subclass the taskbar so I can grab WM_PAINT messages and control how my app's taskbar button is drawn. Actually, this is cross-platform development, and in modern window systems the windows taskbar is a ToolbarWindow32 in Win98 its a SysTabControl32.
But anyway, the method to subclass is to do a SetWindowsHookEx to the thread of the desktop control using a dll hook procedure (to get into its process address space) and then immediately subclass the control windproc and unhook.

What I encounter is the following:

I can callSetWindowsHookEx for a specific thread, and windows returns OK, but when I try to send a message to the control (in this case SysTabControl32) my hook proc doesn't pick up the message. (I'm using a WH_WNDPROC hook).

Or, I can call SetWindowsHookEx and specify 0 for the thread (thus making it system-wide) and then my hookproc picks up the init msg, but when I try to subclass, SetWindowLong(...GWL_WNDPROC...) returns 0, so the system-wide hook isn't getting me into the desktop control address space.

In any case, the thread-specific hook SHOULD work, and according to windows, the hook is created, but it never picks up my init msg.

Incidentally, this problem I'm encountering is currently under Win98 (don't ask why). But the specific method of subclassing I'm using is supposed to be the most reliable, and valid across all versions of Windows, past and present.

There's some crucial detail I'm forgetting that would enable me to subclass the windows taskbar. Does anybody know what it is?

I need help with win32 api edit controls

asp.netProgrammer30-Jan-07 0:20

asp.netProgrammer

30-Jan-07 0:20

K this is really frusterating. All i need to do is place the exact string representation of an int into the edit control. But the problem is that int is not only thing i need to print to the edit control. So what i need help on is how do get the index of a target line from the edit control, and how do i place a char or int in the target line? I read the win32 api at microsofts website, but did not find what i was looking for. Please please help!

Re: I need help with win32 api edit controls [modified]

_AnsHUMAN_ 30-Jan-07 0:28

_AnsHUMAN_

30-Jan-07 0:28

Can you post some example of what exactly do you want to achieve.
Alternatively, you can store the data from the edit control into a char* and then make changes to the string. Later when you are done with this you can update the edit control to show the new string. I hope that I understood you.

Somethings seem HARD to do, until we know how to do them.
Wink | ;-)

_AnShUmAn_

Naveen30-Jan-07 0:38

Naveen

30-Jan-07 0:38

I think the following message will help u

EM_SETSEL and EM_REPLACESEL

Select the string that u want to replace using EM_SETSEL. Now replace that with the new text using the EM_REPLACESEL message.

-- modified at 6:43 Tuesday 30th January, 2007

nave

S Douglas30-Jan-07 1:21

S Douglas

30-Jan-07 1:21

asp.netProgrammer wrote:
All i need to do is place the exact string representation of an int into the edit control.

See this class for that part Convert Integers to Their Textual Description[^]

I'd love to help, but unfortunatley I have prior commitments monitoring the length of my grass. :Andrew Bleakley:

asp.netProgrammer30-Jan-07 4:39

asp.netProgrammer

30-Jan-07 4:39

Wow, thnkx guys. This really helps. And also, the first response was right, I could also just convert my int to string representation using itoa( int, char*, int radix ). Seriously, u guys saved me from late project, thnkx!