Managed C++/CLI

arvindbhateja wrote:

I need to convert void* to System::Data::DataColumn^

arvindbhateja wrote:

Eariler I converted managed (^) to unmanaged (*)

pclFields->AddTail ((void *) pclFieldInfo);

void f(int* p) { *p = 100; } 
int main() { 
 array<int>^ arr = gcnew array<int>(100); 
 pin_ptr<int> pinp = &arr[0]; // pin arr s location 
 f(pinp); // change arr[0] s value 
}

<br />
int nCount = clRecSet.GetFieldCount();<br />
	// Th efield count.<br />
    CDaoFieldInfo*  pclFieldInfo;  // Pointer for field info.<br />
    CMapStringToOb  clTables;      // For table.<br />
    CPtrList* pclFields = NULL;     // Pointer list.<br />
       <br />
	for (int ii = 0; ii < nCount; ii++)<br />
	{<br />
		pclFieldInfo = new CDaoFieldInfo;<br />
		clRecSet.GetFieldInfo(ii, *pclFieldInfo, AFX_DAO_SECONDARY_INFO);<br />
        if (clTables.Lookup (pclFieldInfo->m_strSourceTable, <br />
			                  (CObject*&) pclFields)  != TRUE )<br />
        {<br />
            pclFields = new CPtrList;<br />
            clTables.SetAt (pclFieldInfo->m_strSourceTable, pclFields);<br />
        }<br />
        pclFields->AddTail ((void *) pclFieldInfo);<br />
    }<br />
    // Now the fields are grouped together by table name<br />
...<br />
...<br />
<br />
    POSITION pos = clTables.GetStartPosition();<br />
	// Position index.<br />
    while (pos != NULL)<br />
    {<br />
	pclFields = NULL;<br />
        CPtrList*   pclFields;<br />
        CDaoFieldInfo* pFieldInfo;  // The field info.<br />
        <br />
        clTables.GetNextAssoc (pos, strCurrTbl, (CObject*&) pclFields);<br />
        POSITION posField = pclFields->GetHeadPosition();<br />
	int nIndex = 0; // Index for the loop.<br />
        while (posField != NULL)<br />
        {<br />
            pFieldInfo = (CDaoFieldInfo *) pclFields->GetNext (posField);<br />
<br />
.....<br />
            <br />

Nagaraju_Focus wrote:

when I keep the mouse on drawn Rectangle
MouseMove+LeftClickMOuse ,the rectangle should move accordingly