public void OnBeforeNameChange(NameChangeEventArgs e)
{
if (BeforeNameChange != null)
{
BeforeNameChange(this, e);
}
}
public override void SetValue(object component, object value)
{
string s = value as string;
if (!string.IsNullOrEmpty(s))
{
NameChangeEventArgs ce = new NameChangeEventArgs(s);
_owner.OnBeforeNameChange(ce);
if (!ce.Cancel)
{
_owner.Name = s;
_owner.OnAfterNameChange();
}
}
}
void _data_BeforeNameChange(object sender, EventArgs e)
{
NameChangeEventArgs ce = e as NameChangeEventArgs;
if (ce != null)
{
TreeNodeX tnx = this.Parent as TreeNodeX;
if (tnx != null)
{
if (tnx.IsNameUsed(ce.Name))
{
ce.Cancel = true;
}
}
}
}
