public HeaderItemInvokePatternInvokedEvent(DataGridProvider.DataGridHeaderItemProvider provider)
     : base(provider,
            InvokePatternIdentifiers.InvokedEvent)
 {
     this.provider    = provider;
     dataGridProvider = provider.HeaderProvider.DataGridProvider;
 }
 public HeaderItemInvokeProviderBehavior(DataGridProvider.DataGridHeaderItemProvider itemProvider)
     : base(itemProvider)
 {
     this.itemProvider = itemProvider;
     dataGrid          = itemProvider.HeaderProvider.DataGridProvider.DataGrid;
 }