/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="index">The index of the Column</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, int index, ColumnEventType eventType, object oldValue) : base()
{
this.source = source;
this.index = index;
this.eventType = eventType;
this.oldValue = oldValue;
}
void ReleaseDesignerOutlets()
{
if (ButtonCapture != null)
{
ButtonCapture.Dispose();
ButtonCapture = null;
}
if (ButtonClearEvents != null)
{
ButtonClearEvents.Dispose();
ButtonClearEvents = null;
}
if (ColumnDetails != null)
{
ColumnDetails.Dispose();
ColumnDetails = null;
}
if (ColumnEventType != null)
{
ColumnEventType.Dispose();
ColumnEventType = null;
}
if (TableEvents != null)
{
TableEvents.Dispose();
TableEvents = null;
}
}
internal virtual void OnAlterColumn(ColumnEventType type, int index)
{
if (AlterColumn != null)
{
AlterColumn(type, index);
}
}
/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="index">The index of the Column</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, int index, ColumnEventType eventType, object oldValue)
: base()
{
this.source = source;
this.index = index;
this.eventType = eventType;
this.oldValue = oldValue;
}
internal void columns_AlterColumn(ColumnEventType type, int index)
{
switch (type)
{
case ColumnEventType.Add:
this.items.Add(null);
break;
case ColumnEventType.Insert:
this.items.Insert(index, null);
break;
case ColumnEventType.Remove:
this.items.RemoveAt(index);
break;
case ColumnEventType.Clear:
this.items.Clear();
break;
}
}
/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, ColumnEventType eventType, object oldValue) : this(source, -1, eventType, oldValue)
{
}
/// <summary>
/// Initializes a new instance of the ColumnEventArgs class with
/// the specified Column source, column index and event type
/// </summary>
/// <param name="source">The Column that Raised the event</param>
/// <param name="eventType">The type of event</param>
/// <param name="oldValue">The old value of the changed property</param>
public ColumnEventArgs(Column source, ColumnEventType eventType, object oldValue) : this(source, -1, eventType, oldValue)
{
}
}
using System;
