module direct;

private import directdraw;

private 
{
    struct tagRECT{}
    alias tagRECT RECT;
    alias tagRECT* LPRECT;
}

class DirectApp
{

	IDirectDrawSurface primSurface;
	IDirectDrawSurface backingSurface;

	public this(){}

	public void updatePrimarySurface() 
	{		
		RECT source;
		RECT destination;
		primSurface.Blt(
            cast(tagRECT*) &destination, 
            cast(IDirectDrawSurface) backingSurface, 
            cast(tagRECT*) &source, 
            cast(uint) DDBLT_WAIT, 
            cast(DDBLTFX*) null );
	}
}