public static int GetLastVisibleSelectedAddress(IViewPort viewPort)
{
for (int y = viewPort.Height - 1; y >= 0; y--)
{
for (int x = viewPort.Width - 1; x >= 0; x--)
{
if (!viewPort.IsSelected(new Point(x, y)))
{
continue;
}
return(viewPort.DataOffset + y * viewPort.Width + x);
}
}
return(-1);
}
public static int GetFirstVisibleSelectedAddress(IViewPort viewPort)
{
for (int y = 0; y < viewPort.Height; y++)
{
for (int x = 0; x < viewPort.Width; x++)
{
if (!viewPort.IsSelected(new Point(x, y)))
{
continue;
}
return(viewPort.DataOffset + y * viewPort.Width + x);
}
}
return(-1);
}