# IDocumentStructure interface

*No description yet.*

```csharp
public interface IDocumentStructure
```

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

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [DM_GetDesignItemId](#dm_getdesignitemid) | `string` |  |
| [DM_GetDocStructureForPath](#dm_getdocstructureforpath) | [IDocumentStructure](#) |  |
| [DM_GetDocument](#dm_getdocument) | [IDocument](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IDocument.md) |  |
| [DM_GetLogicalSubStructure](#dm_getlogicalsubstructure) | [IDocumentStructure](#) |  |
| [DM_GetLogicalSubStructureCount](#dm_getlogicalsubstructurecount) | `int` |  |
| [DM_GetSourceDocument](#dm_getsourcedocument) | [IDocument](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IDocument.md) |  |
| [DM_GetSourceDocumentCount](#dm_getsourcedocumentcount) | `int` |  |
| [DM_GetSourceLibraryName](#dm_getsourcelibraryname) | `string` |  |

### DM_GetDesignItemId

*No description yet.*

```csharp
string DM_GetDesignItemId();
```

**Returns:** `string`

### DM_GetDocStructureForPath

*No description yet.*

```csharp
IDocumentStructure DM_GetDocStructureForPath(string argPath);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argPath` | `string` | value |

**Returns:** [IDocumentStructure](#)

Extension method of `IDocumentStructureHelper` (`using EDP;`).

### DM_GetDocument

*No description yet.*

```csharp
IDocument DM_GetDocument();
```

**Returns:** [IDocument](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IDocument.md)

Extension method of `IDocumentStructureHelper` (`using EDP;`).

### DM_GetLogicalSubStructure

*No description yet.*

```csharp
IDocumentStructure DM_GetLogicalSubStructure(int argIndex);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argIndex` | `int` | value |

**Returns:** [IDocumentStructure](#)

Extension method of `IDocumentStructureHelper` (`using EDP;`).

### DM_GetLogicalSubStructureCount

*No description yet.*

```csharp
int DM_GetLogicalSubStructureCount();
```

**Returns:** `int`

### DM_GetSourceDocument

*No description yet.*

```csharp
IDocument DM_GetSourceDocument(int argIndex);
```

| Parameter | Type | Passing |
| --- | --- | --- |
| `argIndex` | `int` | value |

**Returns:** [IDocument](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IDocument.md)

Extension method of `IDocumentStructureHelper` (`using EDP;`).

### DM_GetSourceDocumentCount

*No description yet.*

```csharp
int DM_GetSourceDocumentCount();
```

**Returns:** `int`

### DM_GetSourceLibraryName

*No description yet.*

```csharp
string DM_GetSourceLibraryName();
```

**Returns:** `string`

## Returned by

[IProject.DM_GetTopLevelDocumentStructure](https://altiumdeveloper.github.io/ad-sdk-docs/reference/edp/IProject.md#dm_gettopleveldocumentstructure)