protected override void OnPropertyChanging(RadPropertyChangingEventArgs e)
{
if (this.ownerTemplate == null)
{
return;
}
if (e.Property == GridViewColumn.WidthProperty)
{
int newValue = (int)e.NewValue;
int maxWidth = this.MaxWidth;
int minWidth = this.MinWidth;
e.Cancel = newValue <minWidth || maxWidth> minWidth && newValue > maxWidth && maxWidth > 0;
this.OwnerTemplate.BestFitQueue.Dequeue(this);
if (this.EventDispatcher != null)
{
ColumnWidthChangingEventArgs args = new ColumnWidthChangingEventArgs(this.Index, newValue);
args.Cancel = e.Cancel;
this.EventDispatcher.RaiseEvent <ColumnWidthChangingEventArgs>(EventDispatcher.ColumnWidthChanging, (object)this, args);
e.Cancel = args.Cancel;
}
}
else if (e.Property == GridViewColumn.IsCurrentProperty)
{
if (this.ownerTemplate.MasterTemplate == null || GridViewSynchronizationService.IsEventSuspended(this.ownerTemplate, KnownEvents.CurrentChanged))
{
return;
}
if ((bool)e.NewValue)
{
if (!this.CanBeCurrent)
{
e.Cancel = true;
return;
}
this.ownerTemplate.MasterTemplate.CurrentColumn = this;
e.Cancel = this.ownerTemplate.MasterTemplate.CurrentColumn != this;
}
else
{
this.ownerTemplate.MasterTemplate.CurrentColumn = (GridViewColumn)null;
e.Cancel = this.ownerTemplate.MasterTemplate.CurrentRow != null;
}
}
else if (e.Property == GridViewColumn.IsVisibleProperty)
{
bool newValue = (bool)e.NewValue;
e.Cancel = !newValue && !this.AllowHide && this.GetVisibleColumnsCount((IEnumerable)this.OwnerTemplate.Columns) > 1;
}
else if (e.Property == GridViewColumn.NameProperty)
{
string newValue = (string)e.NewValue;
if (this.ownerTemplate.Columns.Contains(newValue) && this != this.ownerTemplate.Columns[newValue])
{
throw new InvalidOperationException("A column with the same Name already exists in the collection");
}
this.ownerTemplate.Columns.Rename((string)e.OldValue, newValue);
}
base.OnPropertyChanging(e);
}
private bool OnIsCurrentPropertyChanging(PropertyChangingEventArgsEx args)
{
if (GridViewSynchronizationService.IsEventSuspended(this.ViewTemplate, KnownEvents.CurrentChanged))
{
return(false);
}
bool newValue = (bool)args.NewValue;
if (newValue && !this.CanBeCurrent)
{
return(true);
}
GridViewRowInfo row = newValue ? this : (GridViewRowInfo)null;
GridViewColumn column = this.ViewTemplate.CurrentColumn ?? MasterGridViewTemplate.GetColumnAllowingForCurrent(this.ViewTemplate);
GridViewSynchronizationService.RaiseCurrentChanged(this.ViewTemplate, row, column, true);
return(this.ViewTemplate.MasterTemplate.CurrentRow != row);
}
