void AddNodeStyle (HtmlTextWriter writer, TreeNode node, int level, bool nodeIsSelected) { TreeNodeStyle style = new TreeNodeStyle (); if (Page.Header != null) { // styles are registered if (nodeStyle != null) { #if NET_4_0 style.PrependCssClass (nodeStyle.RegisteredCssClass); style.PrependCssClass (nodeStyle.CssClass); #else style.AddCssClass (nodeStyle.CssClass); style.AddCssClass (nodeStyle.RegisteredCssClass); #endif } if (node.IsLeafNode) { if (leafNodeStyle != null) { #if NET_4_0 style.PrependCssClass (leafNodeStyle.RegisteredCssClass); style.PrependCssClass (leafNodeStyle.CssClass); #else style.AddCssClass (leafNodeStyle.CssClass); style.AddCssClass (leafNodeStyle.RegisteredCssClass); #endif } } else if (node.IsRootNode) { if (rootNodeStyle != null) { #if NET_4_0 style.PrependCssClass (rootNodeStyle.RegisteredCssClass); style.PrependCssClass (rootNodeStyle.CssClass); #else style.AddCssClass (rootNodeStyle.CssClass); style.AddCssClass (rootNodeStyle.RegisteredCssClass); #endif } } else if (node.IsParentNode) { if (parentNodeStyle != null) { #if NET_4_0 style.AddCssClass (parentNodeStyle.RegisteredCssClass); style.AddCssClass (parentNodeStyle.CssClass); #else style.AddCssClass (parentNodeStyle.CssClass); style.AddCssClass (parentNodeStyle.RegisteredCssClass); #endif } } if (levelStyles != null && levelStyles.Count > level) { #if NET_4_0 style.PrependCssClass (levelStyles [level].RegisteredCssClass); style.PrependCssClass (levelStyles [level].CssClass); #else style.AddCssClass (levelStyles [level].CssClass); style.AddCssClass (levelStyles [level].RegisteredCssClass); #endif } if (nodeIsSelected) { #if NET_4_0 style.AddCssClass (selectedNodeStyle.RegisteredCssClass); style.AddCssClass (selectedNodeStyle.CssClass); #else style.AddCssClass (selectedNodeStyle.CssClass); style.AddCssClass (selectedNodeStyle.RegisteredCssClass); #endif } } else { // styles are not registered if (nodeStyle != null) { style.CopyFrom (nodeStyle); } if (node.IsLeafNode) { if (leafNodeStyle != null) { style.CopyFrom (leafNodeStyle); } } else if (node.IsRootNode) { if (rootNodeStyle != null) { style.CopyFrom (rootNodeStyle); } } else if (node.IsParentNode) { if (parentNodeStyle != null) { style.CopyFrom (parentNodeStyle); } } if (levelStyles != null && levelStyles.Count > level) style.CopyFrom (levelStyles [level]); if (nodeIsSelected) style.CopyFrom (selectedNodeStyle); } style.AddAttributesToRender (writer); }