C / C++ / MFC

Maxwell Chen wrote:

To provide the default behavior of the base (as you stated), it would be compile-time binding (static binding),

bob16972 wrote:

If a base class A has a virtual function Foo() and a derived class B implements it and I have an array of A* that point to objects that have runtime types of A or B, it will decide which version of Foo() gets called at runtime.

PJ Arends wrote:

Is there a way to determine the area needed to display the track bar, especially if I were to make the tick marks user selectable?

DavidCrow wrote:

Have you looked at GetSystemMetrics()?

PJ Arends wrote:

With GetSystemMetrics can you tell me which index (SM_) value you had in mind?

DavidCrow wrote:

See if SM_CXHSCROLL, SM_CYHSCROLL, SM_CXVSCROLL, and SM_CYVSCROLL produce anything useful.

// Add to class
afx_msg void OnNcLButtonUp(UINT nHitTest, CPoint point);

// Add to message map 
ON_WM_NCLBUTTONUP()

// Add implementation of handler method
void CMyWndClass::OnNcLButtonUp(UINT nHitTest, CPoint point)
{
   baseclass::OnNcLButtonUp(nHitTest, point);

   ... do stuff...
}

Mark Salsbery
Microsoft MVP - Visual C++