---
title: "ThumbnailListView..::.Columns Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_WinControls_ThumbnailListView_Columns.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/)

# ThumbnailListView.Columns Property 
 
Gets a collection of control columns (which are visible in the [Details](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_View.htm.md) view mode).
 
**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 ReadOnly Property Columns As ListColumnCollection
```
 
```csharp
public ListColumnCollection Columns { get; }
```
 
### Property Value
An instance of the [ListColumnCollection](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_WinControls_ListColumnCollection.htm.md) class which keeps columns of the control.
   
## See Also

### Reference

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