public void RenderTreeViewItem(UIControl control, UIRenderContext context)
{
var treeViewItem = control as TreeViewItem;
if (treeViewItem != null && treeViewItem.IsSelected && treeViewItem.Header != null)
{
// Draw a blue rectangle behind selected tree view items.
context.RenderTransform.Draw(
SpriteBatch,
WhiteTexture,
treeViewItem.Header.ActualBounds,
null,
Color.CornflowerBlue);
}
// Call the default render callback to draw all the rest.
RenderCallbacks["UIControl"](control, context);
}
public MyUIRenderer(Microsoft.Xna.Framework.Game game, Theme theme)
: base(game, theme)
{
// Add a new render method for the style "TreeViewItem".
RenderCallbacks.Add("TreeViewItem", RenderTreeViewItem);
}
