When overridden in a derived class, sets the specified template's content to the specified content.
Syntax
[System.Obsolete("Template editing is supported in ControlDesigner.TemplateGroups with SetViewFlags(ViewFlags.TemplateEditing, true) in 2.0.")]
public abstract
void SetTemplateContent (
ITemplateEditingFrame editingFrame,
string templateName,
string templateContent)