problem with CFormView

[markitus]

well, this is for me quite complicated problem, i don't even know how to start explaining.
Well, i got a program with a splitter window, one of them is the view, and the other one a formview with buttons for controlling the view. this is the code that describes what i mean:

BOOL CMainFrame::OnCreateClient( LPCREATESTRUCT ,
	CCreateContext* pContext)
{	
	if (!m_wndSplitter.CreateStatic(this, 1, 2))        
		return FALSE;    

	if (!m_wndSplitter.CreateView(0, 0, RUNTIME_CLASS(CMy3DspineView),CSize(500,10),pContext)) 
	{        
		m_wndSplitter.DestroyWindow();        
		return FALSE;    
	}  

	if(!m_wndSplitter.CreateView(0, 1, RUNTIME_CLASS(graphics_c),CSize(10,10),pContext))
	{        
		m_wndSplitter.DestroyWindow();        
		return FALSE;    
	}    


	
	return TRUE;
}

with this no problems. I'm programming using opengl( but this is not a important fact). Initially there's an image loaded on the view. In the formview, i got a 'play' button that must start an animation, so this image should start moving.
My problem is that when i click on the button the movement doesn't start unless i minimize the window and maximize it back. What could i do to make it automatically?
here's my code on the Cformview class when clicking the button. the flag sp.active is a public variable from a class that represents my image:

void graphics_c::OnPlay() 
{
	// TODO: Add your control notification handler code here
	
	sp.active=true; //flag for start moving.
}

and here my OnPaint function in the view class:
(i've deleted all the lines concerning opengl functions as they are not relevant)

void CMy3DspineView::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here



	if(sp.active)
	{

	
		sp.DrawPoints(m_height,m_width,p );
		
		
	
	}
	
	
	// Do not call CView::OnPaint() for painting messages
	
	
}

what can i do to solve this?

thank u so much, i'll be looking forward for ur answers.

 

[esdee]

maybe you should refresh the window ? i mean - call Invalidate or something similar ?

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