Re: Problem with IPicture-Object and Render - C / C++ / MFC Discussion Boards

Re: Problem with IPicture-Object and Render

masanne9-Jun-06 1:20

9-Jun-06 1:20

I think not because in my Application the values iHeight and iWidth of the bitmap are right. that means for me, that the handle "desc.bmp.hbitmap = (HBITMAP)bmp.GetSafeHandle();" is valid.

Re: Problem with IPicture-Object and Render

Hamid_RT9-Jun-06 2:18

Hamid_RT

9-Jun-06 2:18

yes you have one handle hbitmap (desc.bmp.hbitmap ) but in OnBnClickedButton1
i think(not sure)you dont have one valid handle pPicture->get_Handle((OLE_HANDLE FAR *) &hBmp);
what size(parametes) from hBmp GetObject(hBmp,sizeof(bm),&bm);

whitesky

Re: Problem with IPicture-Object and Render [modified]

masanne9-Jun-06 2:49

masanne

9-Jun-06 2:49

	pPicture->get_Handle((OLE_HANDLE FAR *) &hBmp);<br />
<br />
<br />
		if (hBmp)  <br />
		{  		<br />
                        MesssageBox("it exists");<br />
		}

After "if" it comes the MesssageBox .

But if i do the follow:

if(GetObject(hBmp,sizeof(BMP), &BMP)==0) MessageBox("0 bytes");

it comes the MessageBox also.

Is the hBMP valid or not?

-- modified at 9:00 Friday 9th June, 2006

Re: Problem with IPicture-Object and Render [modified]

masanne9-Jun-06 3:00

masanne

9-Jun-06 3:00

And why work the follow code:

pPicture->get_Width(&lWidth);<br />
    pPicture->get_Height(&lHeight);

Width and Height are correct . the same size of the original bitmap.

But

pPicture->get_Width(&lWidth);<br />
		pPicture->get_Height(&lHeight);

is not valid.

I not understand

Re: Problem with IPicture-Object and Render

Hamid_RT9-Jun-06 3:22

Hamid_RT

9-Jun-06 3:22

Dear masanne,
its not way but usually i test hbitmap with this
if you run this code in getImage for bmp then you get one file in drive c

<br />
CImage m_Image;<br />
m_Image.Attach(hBmp);<br />
m_Image.Save("c:\\test.bmp");<br />
m_Image.Detach();<br />

but if you run this code in OnBnClickedButton1
/*pPicture->get_Handle((OLE_HANDLE FAR *) &hBmp);*/for hBmp you get one error
can you test this code and answer to me,please? of course include atlImage.h

whitesky

Re: Problem with IPicture-Object and Render

masanne9-Jun-06 3:55

masanne

9-Jun-06 3:55

If include this code in GetImage()-Methode , it happens nothing
(no File under the path " C:\work\test\test.bmp".

HBITMAP hBmp = (HBITMAP)bmp.GetSafeHandle();<br />
CImage m_Image;<br />
m_Image.Attach(hBmp);<br />
m_Image.Save("C:\work\test\test.bmp");<br />
m_Image.Detach();

And if i include the follow code in the Application under OnBnClickedButton1

pPicture->get_Handle((OLE_HANDLE FAR *) &hBmp);<br />
<br />
<br />
CImage m_Image;<br />
m_Image.Attach(hBmp);<br />
m_Image.Save("C:\work\test\test.bmp");<br />
m_Image.Detach();

it happens nothing
(no File under the path " C:\work\test\test.bmp") and it comes to a error.

Re: Problem with IPicture-Object and Render

Hamid_RT9-Jun-06 6:43

Hamid_RT

9-Jun-06 6:43

yes you get one error nBytes==Sizeof....
and if you use GetObject you cant get width and height and i think my guess is true (i hope)you dont have one handle bitmap.See here

<br />
CBitmap bmp ;<br />
PICTDESC desc;<br />
<br />
long lWidth, lHeight;<br />
int iWidth, iHeight;<br />
<br />
HBITMAP hbit=(HBITMAP)LoadImage(AfxGetApp()->m_hInstance,"c:\\0.bmp",IMAGE_BITMAP, 0,0,LR_LOADFROMFILE);<br />
bmp.Attach(hbit);<br />
<br />
// setup pictdesc structure<br />
desc.cbSizeofstruct = sizeof(PICTDESC) ;<br />
desc.picType = PICTYPE_BITMAP;<br />
desc.bmp.hbitmap = (HBITMAP)bmp.GetSafeHandle();<br />
IPicture *pd;<br />
<br />
::OleCreatePictureIndirect(&desc, IID_IPicture, FALSE,(LPVOID*)&pd);<br />
<br />
pd->get_Width(&lWidth);<br />
pd->get_Height(&lHeight);<br />
<br />
iWidth = (lWidth * GetDeviceCaps(GetDC()->m_hDC, LOGPIXELSX)) / 2540;<br />
iHeight = (lHeight * GetDeviceCaps(GetDC()->m_hDC, LOGPIXELSY)) / 2540;<br />
	CRect	Rect(0,0,iWidth,iHeight);<br />
<br />
	pd->Render(GetDC()->m_hDC,0,0, <br />
                      Rect.right - Rect.left,<br />
                      Rect.bottom - Rect.top,<br />
                      0,lHeight,<br />
                      lWidth,-lHeight,<br />
                      &Rect);<br />

maybe it is some helpful to you

whitesky

Re: Problem with IPicture-Object and Render

masanne15-Jun-06 23:11

masanne

15-Jun-06 23:11

Thats it! Thank u very much!

<br />
VARIANT_BOOL CGetImageCtrl::getImage(VARIANT* image)<br />
{<br />
	AFX_MANAGE_STATE(AfxGetStaticModuleState());<br />
<br />
	// TODO: Fügen Sie hier Ihren Dispatchhandlercode ein.<br />
<br />
	//CBitmap bmp ; // bmp --> global<br />
	VARIANT p1;<br />
	PICTDESC desc;<br />
	HRESULT hres;<br />
<br />
	bmp.LoadBitmap(IDB_BITMAP1);// bmp --> global<br />
	VariantInit(&p1);<br />
<br />
	// setup pictdesc structure<br />
	desc.cbSizeofstruct = sizeof(PICTDESC) ;<br />
	desc.picType = PICTYPE_BITMAP;<br />
	desc.bmp.hbitmap = (HBITMAP)bmp.GetSafeHandle();<br />
<br />
	IPicture *pd;<br />
<br />
	// create the StdPicture object<br />
	hres = ::OleCreatePictureIndirect(&desc, IID_IPicture, FALSE,(LPVOID*)&pd);<br />
<br />
          <br />
	<br />
	if(SUCCEEDED(hres))<br />
    {<br />
		p1.vt = VT_UNKNOWN;<br />
		p1.punkVal = pd;<br />
<br />
		*image = p1;<br />
    }<br />
<br />
	return VARIANT_TRUE;<br />
}

/////////////////////////////////////////////////////////////////////////7

<br />
void CGetImageTestDlg::OnBnClickedButton1()<br />
{<br />
	// TODO: Fügen Sie hier Ihren Kontrollbehandlungscode für die Benachrichtigung ein.<br />
<br />
<br />
	VARIANT image;<br />
	IUnknown* pUnk;<br />
	IPicture *pPicture= 0;<br />
	long lWidth, lHeight;<br />
	int iWidth, iHeight;<br />
<br />
	//CClientDC pDC(this);<br />
<br />
	//CDC memdc;<br />
	//memdc.CreateCompatibleDC(&pDC);<br />
	<br />
	VariantInit(&image);<br />
	m_myGetImage.getImage(&image);<br />
	<br />
	pUnk = image.punkVal;<br />
	HRESULT hr = pUnk->QueryInterface(&pPicture);<br />
<br />
	if(SUCCEEDED(hr))<br />
	{		<br />
		//breite u. höhe vom bild holen<br />
		pPicture->get_Width(&lWidth);<br />
		pPicture->get_Height(&lHeight);<br />
<br />
		//in Pixel konvertieren<br />
		iWidth  = (lWidth  * GetDeviceCaps(GetDC()->m_hDC, LOGPIXELSX)) / 2540;<br />
		iHeight = (lHeight * GetDeviceCaps(GetDC()->m_hDC, LOGPIXELSY)) / 2540;<br />
<br />
		CRect Rect(0,0,iWidth,iHeight);<br />
		<br />
		//Bild anzeigen mittels Render<br />
		pPicture->Render(GetDC()->m_hDC,0,0,Rect.right - Rect.left,Rect.bottom - Rect.top,0,lHeight,lWidth,-lHeight,&Rect);<br />
<br />
	}<br />
	else MessageBox("The Displaying of the Image is not possible!");<br />
<br />
}<br />

Doubt regarding the combo box

Member 30398439-Jun-06 0:27

Member 3039843

9-Jun-06 0:27

How can i make the combo box to drop down automatically?

Re: Doubt regarding the combo box

_AnsHUMAN_ 9-Jun-06 0:34

_AnsHUMAN_

9-Jun-06 0:34

m_combobox.SendMessage(CB_SHOWDROPDOWN ,(WPARAM)true,0);

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

_AnShUmAn_

Re: Doubt regarding the combo box

Jesal Rana9-Jun-06 0:37

Jesal Rana

9-Jun-06 0:37

Just follow the method below u will get ur rsult.

Right click on the combo box;

Select ‘Properties’ from the list displayed. This will open the ‘Properties’ window;

Click on ‘Event’ tab and place your cursor next to the ‘On Got Focus’ event;

Then, click on the ‘…’ button;

Select ‘Code Builder’ from the code builder window and click on OK.

The following Subprocedure will be created:

Private Sub Combo2_GotFocus()

End Sub

You can also call the function on Event of Mouse Move.

OK

Re: Doubt regarding the combo box

_AnsHUMAN_ 9-Jun-06 0:43

_AnsHUMAN_

9-Jun-06 0:43

alternatively you can also use
m_combobox.ShowDropDown();

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

_AnShUmAn_

Re: Doubt regarding the combo box

Laxman Auti9-Jun-06 0:47

Laxman Auti

9-Jun-06 0:47

_AnShUmAn_ wrote:
alternatively you can also use
m_combobox.ShowDropDown();

// Show the dropdown list box if it is not already dropped.
if (!pmyComboBox->GetDroppedState())
  pmyComboBox->ShowDropDown(TRUE);

Knock out 't' from can't,
You can if you think you can
Cool | :cool:

Re: Doubt regarding the combo box

David Crow9-Jun-06 3:29

David Crow

9-Jun-06 3:29

Use the CBS_SIMPLE style.

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

Reading order of the language of current locale

Cool Ju9-Jun-06 0:13

Cool Ju

9-Jun-06 0:13

Hi,

How to find the reading order of the language of the current locale or the input language. Are there any APIs available?

Thanks.

Adios,
Cool Ju Cool | :cool:

Dream Ur Destiny

Re: Reading order of the language of current locale

David Crow9-Jun-06 3:37

David Crow

9-Jun-06 3:37

Use GetProcessDefaultLayout().

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

Re: Reading order of the language of current locale

Cool Ju11-Jun-06 19:14

Cool Ju

11-Jun-06 19:14

Thanks DavidCrow.

Adios,
Cool Ju Cool | :cool:

Dream Ur Destiny

COleControl?

raghuji.rao8-Jun-06 23:45

raghuji.rao

8-Jun-06 23:45

Is it possible to handle active x control events using COleControl class.
if so how?

How do I open file excel in VC++.

Vu Ngoc Quyen8-Jun-06 23:35

Vu Ngoc Quyen

8-Jun-06 23:35

Hi expert
I embed excel to my program and now I can't not open file excel.
How can I open excel file?

Thanks

Ngoc Quyen

Re: How do I open file excel in VC++.

raghuji.rao8-Jun-06 23:42

raghuji.rao

8-Jun-06 23:42

CSpreadsheet class will retrive columns wise data.so download. its as simple as opening a normal file

Re: How do I open file excel in VC++.

XalanXalan9-Jun-06 1:30

XalanXalan

9-Jun-06 1:30

From where can i get the CSpreadSheet class.

Re: How do I open file excel in VC++.

raghuji.rao9-Jun-06 22:18

raghuji.rao

9-Jun-06 22:18

download from codeproject website

Re: How do I open file excel in VC++.

David Crow9-Jun-06 3:39

David Crow

9-Jun-06 3:39

Vu Ngoc Quyen wrote:
I embed excel to my program...

How did you do this?

Vu Ngoc Quyen wrote:
How can I open excel file?

Using what method?

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

Re: How do I open file excel in VC++.

ThatsAlok11-Jun-06 22:04

ThatsAlok

11-Jun-06 22:04

Vu Ngoc Quyen wrote:

Hi expert
I embed excel to my program and now I can't not open file excel.

Which Interface are you using?

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

cheers,
Alok Gupta
VC Forum Q&A :- I/ IV
Support CRY- Child Relief and You

yogendra kaushik8-Jun-06 23:22

yogendra kaushik

8-Jun-06 23:22

Hello all's
i am new in VC++ and feel some problem in my program
i am trying to making a login program but in some line
i think i am wrong .The code of that line are below
can any one help me and also tell me where i am wrong

int i, j, k;
MYSQL * myDB ;
MYSQL_RES * res,*res1;
MYSQL_ROW row,row1;
CString sStr, sPwd;

SetDlgItemText(IDC_STATIC, "Logging in. Please wait...");

if ( (myDB = mysql_init((MYSQL*) 0)) &&
mysql_real_connect( myDB, "localhost", " ", NULL, NULL, MYSQL_PORT, NULL, CLIENT_MULTI_STATEMENTS ) )
{
if ( mysql_select_db( myDB, "login") < 0 )
{
SetDlgItemText(IDC_STATIC, "Can't select the database !\nTry later.") ;
goto exit_here;
}
}
else
{
SetDlgItemText(IDC_STATIC, "Can't connect to the mysql server !\nPlease try later.") ;
goto exit_here;
}

sStr.Empty();
GetDlgItemText(IDC_USER, sStr);
sStr = "CALL sp_auth_user(\'" + sStr + "\', \'";
GetDlgItemText(IDC_PASS, sPwd);
sStr = sStr + sPwd + "\');";
if (!mysql_query( myDB, sStr) )
{
res = mysql_store_result( myDB ) ;
i = (int) mysql_num_rows( res );
if (i != 1)
{
SetDlgItemText(IDC_STATIC, "Incorrect User Name / Password. Please try again.");
mysql_free_result( res ) ;
goto exit_here;
}
SetDlgItemText(IDC_STATIC, "Login Successful.");
if ( (row = mysql_fetch_row( res )) )
{
sStr.Empty();
j = mysql_num_fields( res ) ;
//for ( k = 0 ; k < j ; k++ )
// sStr += (((row[k]==NULL)||(!strlen(row[k])))?"NULL":row[k]) ;
sStr = "Welcome - ";
sStr += (((row[2]==NULL)||(!strlen(row[2])))?"NULL":row[2]) ; // Name
sStr += " (";
sStr += (((row[1]==NULL)||(!strlen(row[1])))?"NULL":row[1]) ; // Group
sStr += ")";
SetDlgItemText(IDC_STATIC, sStr);
}
mysql_free_result( res ) ;
}
else
SetDlgItemText(IDC_STATIC, "Could not execute query on server.") ;

Please mailing me

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