# IFolderSelectionHandler interface

*No description yet.*

```csharp
public interface IFolderSelectionHandler
```

**Namespace:** DXP · **Assembly:** Altium.SDK.Interfaces

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [HandleEvent](#handleevent) | `void` |  |

### HandleEvent

*No description yet.*

```csharp
void HandleEvent(IEDMS_Vault argVault, IULB_Folder argFolder, IEDM_AsyncContext argParameters);
void HandleEvent(object argVault, object argFolder, object argParameters);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argVault` | [IEDMS_Vault](https://altiumdeveloper.github.io/ad-sdk-docs/reference/dxp/IEDMS_Vault.md) | value |
| `argFolder` | [IULB_Folder](https://altiumdeveloper.github.io/ad-sdk-docs/reference/dxp/IULB_Folder.md) | value |
| `argParameters` | [IEDM_AsyncContext](https://altiumdeveloper.github.io/ad-sdk-docs/reference/dxp/IEDM_AsyncContext.md) | value |

**Returns:** nothing (`void`)

The first overload is an extension method of `IFolderSelectionHandlerHelper` (`using DXP;`) with typed parameters; the second is declared by the interface.

## Returned by

[IModalAction.OnFolderSelectionChange](https://altiumdeveloper.github.io/ad-sdk-docs/reference/dxp/IModalAction.md#onfolderselectionchange), [IVaultExplorerForm.FolderSelectionChange](https://altiumdeveloper.github.io/ad-sdk-docs/reference/dxp/IVaultExplorerForm.md#folderselectionchange)