protected void CreateBrushes(TreeNodeAdv node, DrawContext context, string text, out Brush backgroundBrush, out Color textColor, out Font font, ref string label)
{
textColor=SystemColors.ControlText;
backgroundBrush=null;
font=context.Font;
if(context.DrawSelection==DrawSelectionMode.Active)
{
textColor=SystemColors.HighlightText;
backgroundBrush=SystemBrushes.Highlight;
}
else if(context.DrawSelection==DrawSelectionMode.Inactive)
{
textColor=SystemColors.ControlText;
backgroundBrush=SystemBrushes.InactiveBorder;
}
else if(context.DrawSelection==DrawSelectionMode.FullRowSelect)
textColor=SystemColors.HighlightText;
if(!context.Enabled)
textColor=SystemColors.GrayText;
if(DrawTextMustBeFired(node))
{
DrawEventArgs args=new DrawEventArgs(node, this, context, text);
args.Text=label;
args.TextColor=textColor;
args.BackgroundBrush=backgroundBrush;
args.Font=font;
OnDrawText(args);
textColor=args.TextColor;
backgroundBrush=args.BackgroundBrush;
font=args.Font;
label=args.Text;
}
}
protected virtual void OnDrawText(DrawEventArgs args)
{
TreeViewAdv tree=args.Node.Tree;
if(tree!=null)
tree.FireDrawControl(args);
if(DrawText!=null)
DrawText(this, args);
}
protected Font GetDrawingFont(TreeNodeAdv node, DrawContext context, string label)
{
Font font=context.Font;
if(DrawTextMustBeFired(node))
{
DrawEventArgs args=new DrawEventArgs(node, this, context, label);
args.Font=context.Font;
OnDrawText(args);
font=args.Font;
}
return font;
}