---
title: "LayerCollection..::.IndexOf Method "
canonical: https://www.graphicsmill.com/docs/gm5/O_T_Aurigma_GraphicsMill_WinControls_LayerCollection_IndexOf.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/)

# LayerCollection.IndexOf Method 
 
Searches for the specified object and returns the zero-based index of the first occurrence within the entire layer collection.
 
## Overload List

|   |  Name |  Description |
| --- | --- | --- |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [IndexOf(Object)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_WinControls_LayerCollection_IndexOf_1_d02429b3.htm.md) |  Searches for the specified object and returns the zero-based index of the first occurrence within the entire collection. |
 |  ![Public method](https://www.graphicsmill.com/docs/gm5/icons/pubmethod.gif) |  [IndexOf(Layer)](https://www.graphicsmill.com/docs/gm5/M_Aurigma_GraphicsMill_WinControls_LayerCollection_IndexOf_1_8cbd92ad.htm.md) |  Searches for the specified layer and returns the zero-based index of the first occurrence within the entire collection. |
   
## See Also

### Reference

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