private void RenderExpansion(int RowIndex)
{
if (Control == null)
throw new NullReferenceException("Control may not be null");
if (RowIndex <= Control.Document.Count - 1)
{
const int yo = 4;
Row xtr = Control.Document[RowIndex];
GDISurface bbuff = GFX.BackBuffer;
if (xtr.endSpan != null)
{
if (xtr.expansion_StartSpan != null && xtr.startSpan.Parent == null)
{
if (!xtr.IsCollapsed)
{
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 6, yo, 1, Control.View.RowHeight - yo);
}
}
else if ((xtr.endSpan.Parent != null || xtr.expansion_EndSpan != null))
{
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 6, 0, 1, Control.View.RowHeight);
}
if (xtr.expansion_StartSpan != null)
{
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 2, yo, 9, 9);
bbuff.FillRect(GFX.BackgroundBrush, Control.View.TotalMarginWidth + 3, yo + 1, 7, 7);
//render plus / minus
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 4, yo + 4, 5, 1);
if (!xtr.expansion_StartSpan.Expanded)
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 6, yo + 2, 1, 5);
}
if (xtr.expansion_EndSpan != null)
{
bbuff.FillRect(GFX.OutlineBrush, Control.View.TotalMarginWidth + 7, Control.View.RowHeight - 1, 5, 1);
}
}
// //RENDER SPAN LINES
// if (SpanFound)
// {
// if (RowIndex==FirstSpanRow)
// bbuff.FillRect (GFX.OutlineBrush,this.Control.View.TotalMarginWidth +14,0,Control.ClientWidth ,1);
//
// if (RowIndex==LastSpanRow)
// bbuff.FillRect (GFX.OutlineBrush,this.Control.View.TotalMarginWidth +14,Control.View.RowHeight-1,Control.ClientWidth,1);
// }
//RENDER SPAN MARGIN
if (SpanFound && Control._SyntaxBox.ScopeIndicatorColor != Color.Transparent && Control._SyntaxBox.ShowScopeIndicator)
{
if (RowIndex >= FirstSpanRow && RowIndex <= LastSpanRow)
bbuff.FillRect(Control._SyntaxBox.ScopeIndicatorColor, Control.View.TotalMarginWidth + 14, 0, 2, Control.View.RowHeight);
if (RowIndex == FirstSpanRow)
bbuff.FillRect(Control._SyntaxBox.ScopeIndicatorColor, Control.View.TotalMarginWidth + 14, 0, 4, 2);
if (RowIndex == LastSpanRow)
bbuff.FillRect(Control._SyntaxBox.ScopeIndicatorColor, Control.View.TotalMarginWidth + 14, Control.View.RowHeight - 2, 4, 2);
}
}
}
