## On this page

  

 

 # Interface IDocument

 Last update: 09.03.2026 

<a id="VM_Models_Pre_IDocument"></a>

Namespace: [VM.Models.Pre](VM.Models.Pre.md)  
Assembly: VM.Models.Pre.dll

This interface represents the document object of the Motion Preprocessor

```csharp
public interface IDocument : IObject, IEventProvider, IContainer, ILinkContainer, IOwned, IHasID

```

#### Implements

[IObject](VM.Models.Pre.IObject.md), [IEventProvider](VM.Models.Pre.IEventProvider.md), [IContainer](VM.Models.Pre.IContainer.md), [ILinkContainer](VM.Models.Pre.ILinkContainer.md), [IOwned](VM.Models.Pre.IOwned.md), IHasID

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_), [IDocumentExtensions.IsExistNameInDocument(IDocument, string)](VM.Models.Pre.IDocumentExtensions.md#VM_Models_Pre_IDocumentExtensions_IsExistNameInDocument_VM_Models_Pre_IDocument_System_String_)

## Properties

### <a id="VM_Models_Pre_IDocument_DoingClose"></a> DoingClose

```csharp
bool DoingClose { get; }

```

#### Property Value

bool

### <a id="VM_Models_Pre_IDocument_DoingOpen"></a> DoingOpen

```csharp
bool DoingOpen { get; }

```

#### Property Value

bool

### <a id="VM_Models_Pre_IDocument_FilePath"></a> FilePath

```csharp
string FilePath { get; }

```

#### Property Value

string

### <a id="VM_Models_Pre_IDocument_InitialConvertFactor"></a> InitialConvertFactor

```csharp
Unit.ConvertFactor InitialConvertFactor { get; }

```

#### Property Value

Unit.ConvertFactor

### <a id="VM_Models_Pre_IDocument_Modified"></a> Modified

```csharp
bool Modified { get; set; }

```

#### Property Value

bool

### <a id="VM_Models_Pre_IDocument_Name"></a> Name

```csharp
string Name { get; set; }

```

#### Property Value

string

## Methods

### <a id="VM_Models_Pre_IDocument_DisplayModeShape_System_Int32_System_Double_"></a> DisplayModeShape(int, double)

```csharp
void DisplayModeShape(int modeSequence, double scale)

```

#### Parameters

`modeSequence` int

`scale` double

### <a id="VM_Models_Pre_IDocument_FastToConvertUnitLength_System_Boolean_"></a> FastToConvertUnitLength(bool)

```csharp
double FastToConvertUnitLength(bool reverse)

```

#### Parameters

`reverse` bool

#### Returns

double

### <a id="VM_Models_Pre_IDocument_FindObjectFromID_VM_Identifier_"></a> FindObjectFromID(Identifier)

```csharp
IObject FindObjectFromID(Identifier identifier)

```

#### Parameters

`identifier` Identifier

#### Returns

[IObject](VM.Models.Pre.IObject.md)

### <a id="VM_Models_Pre_IDocument_FindObjectFromKey_System_UIntPtr_"></a> FindObjectFromKey(UIntPtr)

Find object from key.

```csharp
IObject FindObjectFromKey(UIntPtr key)

```

#### Parameters

`key` UIntPtr

The key.

#### Returns

[IObject](VM.Models.Pre.IObject.md)

Find object

### <a id="VM_Models_Pre_IDocument_GetChildren"></a> GetChildren()

```csharp
IEnumerable<IObject> GetChildren()

```

#### Returns

IEnumerable&lt;[IObject](VM.Models.Pre.IObject.md)&gt;

### <a id="VM_Models_Pre_IDocument_GetCopyOfKernelUnit"></a> GetCopyOfKernelUnit()

```csharp
Unit GetCopyOfKernelUnit()

```

#### Returns

Unit

### <a id="VM_Models_Pre_IDocument_GetCopyOfUnit"></a> GetCopyOfUnit()

```csharp
Unit GetCopyOfUnit()

```

#### Returns

Unit

### <a id="VM_Models_Pre_IDocument_GetNextIdentifier"></a> GetNextIdentifier()

```csharp
Identifier GetNextIdentifier()

```

#### Returns

Identifier

### <a id="VM_Models_Pre_IDocument_Save_System_String_"></a> Save(string)

```csharp
void Save(string path)

```

#### Parameters

`path` string

### <a id="VM_Models_Pre_IDocument_ChildAdded"></a> ChildAdded

Raised when a child object is added

```csharp
event EventHandler<Identifier> ChildAdded

```

#### Event Type

EventHandler&lt;Identifier&gt;

### <a id="VM_Models_Pre_IDocument_ChildRemoved"></a> ChildRemoved

Raised when a child object is removed

```csharp
event EventHandler<Identifier> ChildRemoved

```

#### Event Type

EventHandler&lt;Identifier&gt;

### <a id="VM_Models_Pre_IDocument_ChildReplaced"></a> ChildReplaced

Raised when child is replaced by another object

```csharp
event EventHandler<Identifier> ChildReplaced

```

#### Event Type

EventHandler&lt;Identifier&gt;

### <a id="VM_Models_Pre_IDocument_ChildReplacing"></a> ChildReplacing

Raised when child is about to be replaced with another object

```csharp
event EventHandler<Identifier> ChildReplacing

```

#### Event Type

EventHandler&lt;Identifier&gt;

### <a id="VM_Models_Pre_IDocument_Destroying"></a> Destroying

Raised when document is about to close

```csharp
event EventHandler Destroying

```

#### Event Type

EventHandler

### <a id="VM_Models_Pre_IDocument_SelectionChanged"></a> SelectionChanged

```csharp
event EventHandler<IEnumerable<Identifier>> SelectionChanged

```

#### Event Type

EventHandler&lt;IEnumerable&lt;Identifier&gt;&gt;