---
title: "ColumnInsertingEventHandler Delegate"
canonical: https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_ColumnInsertingEventHandler.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# ColumnInsertingEventHandler Delegate
 
This delegate represents the method that will handle the [ColumnInserting](https://www.graphicsmill.com/docs/gm5/E_Aurigma_GraphicsMill_WinControls_ListColumnCollection_ColumnInserting.htm.md) event of the [ListColumnCollection](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_ListColumnCollection.htm.md) class.
 
**Namespace:** [Aurigma.GraphicsMill.WinControls](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)
 **Assembly:** Aurigma.GraphicsMill.WinControls (in Aurigma.GraphicsMill.WinControls.dll)
 
## Syntax
  
```
Public Delegate Sub ColumnInsertingEventHandler ( _sender As Object, _e As ColumnInsertingEventArgs _
)
```
 
```csharp
public delegate void ColumnInsertingEventHandler(Object sender,ColumnInsertingEventArgs e
)
```
 
### Parameters
 
 - sender
     - Type: [System.Object](http://msdn2.microsoft.com/en-us/e5kfa45b)

 - e
     - Type: [Aurigma.GraphicsMill.WinControls.ColumnInsertingEventArgs](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_ColumnInsertingEventArgs.htm.md)
   
## See Also

### Reference

- [Aurigma.GraphicsMill.WinControls Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_WinControls.htm.md)