C / C++ / MFC

Graham Breach wrote:

That sounds like something you could do fairly easily in DirectX. This[^] is a useful starting point, and should give you some idea of what is involved.

for (n = 0; n < pMyLongLinkedList->GetSize (); n++)
{
   pMyLongLinkedList->GetNthMember ()->DoStuff ();
]

Iain Clarke, Warrior Programmer wrote:

Do you have some horrible inefficent loops? ie,

for (n = 0; n < pMyLongLinkedList->GetSize (); n++)
{
pMyLongLinkedList->GetNthMember ()->DoStuff ();
]

Iain Clarke, Warrior Programmer wrote:

It sounds like you're doing this pretty inefficiently.

Have a look at PolyPolyLine. With a combination of that and SetViewportxxx functions, you could zoom and pan quite speedily.

Have a look at:
The ViewPort Explorer[^]

Rozis wrote:

There must be something strange in your code. I have an application that draws 2000-4000 lines using pure GDI. It's ready in less then 0.5 seconds, on an outdated laptop.

permutations wrote:

There are no messages associated with any controls. If I click on a control and then click on the Control Events icon (the lightning bolt), nothing is listed for any control.

class CXXXView :	
	public CDialogImpl<CXXXView>,
	public CDialogResize<CXXXView>,
	public CWinDataExchange<CXXXView>,
	COffscreenDraw<CXXXView>,
	//public CCtlColored<CXXXView>,
	CDropFilesHandler,
	ITimeLineListener

enum { IDD = IDD_XXX_FORM };