C / C++ / MFC

CPallini wrote:

an associated *pfErrorCode value can be obtained by calling SQLInstallerError

bool aDSNCreated = false;
//char *str;// = "asdasdsd\0";	
RETCODE retcode= SQL_SUCCESS;
aDSNCreated = SQLConfigDataSource(NULL, ODBC_ADD_SYS_DSN, _T("Microsoft Access Driver (*.mdb)\0"), _T("DSN=SAMPLEE\0DBQ=D:\\SAMPLE.mdb\0")); 
printf("%d",aDSNCreated );
if(aDSNCreated == false)
{
	retcode = SQLInstallerError(2, NULL,NULL,100,NULL);
         
}

BOOL isDSNCreated;
isDSNCreated = SQLConfigDataSource(NULL, ODBC_ADD_SYS_DSN, _T("Microsoft Access Driver (*.mdb)\0"), _T("DSN=SAMPLEE\0DBQ=D:\\SAMPLE.mdb\0"));
if (isDSNCreated == FALSE)
{
  CHAR szError[SQL_MAX_MESSAGE_LENGTH];
  DWORD dwError;
  WORD cbError;
  RETCODE retcode;
  retcode = SQLInstallerError(1, &dwError, szError, SQL_MAX_MESSAGE_LENGTH-1, &cbError);
  // check 'retcode', have a look at 'dwError', show 'szError', whatever...
}

CPallini wrote:

retcode = SQLInstallerError(1, &dwError, szError, SQL_MAX_MESSAGE_LENGTH-1, &cbError);

Error	47	error C2664: 'SQLInstallerErrorW' : cannot convert parameter 3 from 'CHAR [512]' to 'LPWSTR'

  <big>TCHAR</big> szError[SQL_MAX_MESSAGE_LENGTH];
  DWORD dwError;
  WORD cbError;
  RETCODE retcode;
  retcode = SQLInstallerError(1, &dwError, szError, SQL_MAX_MESSAGE_LENGTH-1, &cbError);
<small>If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
                -- Alfonso the Wise, 13th Century King of Castile.<br>
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong. 
                -- Iain Clarke
<br></small><small><a href="http://www.codeproject.com/script/Articles/MemberArticles.aspx?amid=1778670">[My articles]</a></small>

• Store the original position of the rectangle.
• On mouse move, subtract to current rectangle position the stored one, to obtain the offset.
• add the offset to the line.

...
typedef struct tagLine {
  int m_i1, m_i2;
  Line(int i1, i2) : m_i1(i1), m_i2(i2) {};
} Line;
...

void CMyView::AddNewLine(int i1, int i2)
{
  m_Line.AddTail(new Line(i1, i2));
}

mesajflaviu wrote:

pView->m_line.AddTail(pView->Line(pObj,1,point)); // this is error

pView->m_line.AddTail(Line(pObj,1,point));

mesajflaviu wrote:

// I don't know how to access element of pView->m_line;

//	CMyView.h

typedef struct tagLine{
	CDrawObj* pObj;
	UINT nHandle;
	CPoint point;
}Line;

...
...
	CList<Line,Line> m_line;

//	CMyView.cpp

void CMyView::AddLineStruct(CDrawObj* pObj, UINT nHandle, CPoint point)
{
	Line LineStruct;
	LineStruct.pObj = pObj;
	LineStruct.nHandle = nHandle;
	LineStruct.point = point;
	m_line.AddTail(LineStruct);
}

//	CSelectTool.cpp

void CSelectTool::OnLButtonDown(CNetMapView* pView, UINT nFlags, const CPoint& point)
{
...
	pView->AddLineStruct(pObjLine,nHandle,point);
...
}

void CSelectTool::OnMouseMove(CNetMapView* pView, UINT nFlags, const CPoint& point)
{
	// here I try access elements of pView->m_line
	POSITION pos = pView->m_line.GetHeadPosition();
	while(pos != NULL)
	{
		pView->Line data = pView->m_line.GetNext(pos); // here is an error :
		//	error C2273: 'function-style cast' : illegal as right side of '->' operator
		// error C2146: syntax error : missing ';' before identifier 'data'
	}

}

Line newLine = ....;

CMyView newLine = ....;

mesajflaviu wrote:

pView->Line data = pView->m_line.GetNext(pos); // here is an error :

Line & line = pView->m_line.GetNext(pos);

CMyView::Line structLine = pView->m_line.GetNext(pos);