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 # Class StepBase

 Last update: 09.03.2026 

<a id="VM_Models_StepBase"></a>

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

```csharp
public abstract class StepBase : ProjectObjectBase, IObservableObject, IStep, IProjectObject, IHasID, IHasName, IDisposableObject, ISelected, IHasParent<IScenario>

```

#### Inheritance

object ← ObservableObject ← [ProjectObjectBase](VM.Models.ProjectObjectBase.md) ← [StepBase](VM.Models.StepBase.md)

#### Implements

IObservableObject, [IStep](VM.Models.IStep.md), [IProjectObject](VM.Models.IProjectObject.md), IHasID, IHasName, IDisposableObject, ISelected, IHasParent&lt;IScenario&gt;

#### Inherited Members

[ProjectObjectBase.OnDeserialization(object)](VM.Models.ProjectObjectBase.md#VM_Models_ProjectObjectBase_OnDeserialization_System_Object_), [ProjectObjectBase.DisposeManagedResources()](VM.Models.ProjectObjectBase.md#VM_Models_ProjectObjectBase_DisposeManagedResources), [ProjectObjectBase.DisplayName](VM.Models.ProjectObjectBase.md#VM_Models_ProjectObjectBase_DisplayName), [ProjectObjectBase.ID](VM.Models.ProjectObjectBase.md#VM_Models_ProjectObjectBase_ID), [ProjectObjectBase.Name](VM.Models.ProjectObjectBase.md#VM_Models_ProjectObjectBase_Name), ObservableObject.Dispose(), ObservableObject.RaisePropertyChanged(string), ObservableObject.RaisePropertyChanged(string, object, object), ObservableObject.Dispose(bool), ObservableObject.DisposeManagedResources(), ObservableObject.DisposeUnmanagedResources(), ObservableObject.IsDisposed, ObservableObject.TryDisposing, ObservableObject.Disposed, ObservableObject.Disposing, ObservableObject.PropertyChanged

#### 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_)

## Constructors

### <a id="VM_Models_StepBase__ctor_VM_Models_IScenario_"></a> StepBase(IScenario)

```csharp
public StepBase(IScenario parent)

```

#### Parameters

`parent` [IScenario](VM.Models.IScenario.md)

## Properties

### <a id="VM_Models_StepBase_DefaultCommand"></a> DefaultCommand

```csharp
[Browsable(false)]
public ICommand DefaultCommand { get; protected set; }

```

#### Property Value

ICommand

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

```csharp
public string FilePath { get; set; }

```

#### Property Value

string

### <a id="VM_Models_StepBase_IsSelected"></a> IsSelected

```csharp
[Browsable(false)]
public bool IsSelected { get; set; }

```

#### Property Value

bool

### <a id="VM_Models_StepBase_Items"></a> Items

```csharp
public IEnumerable<IStepItem> Items { get; }

```

#### Property Value

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

### <a id="VM_Models_StepBase_Parent"></a> Parent

```csharp
[Browsable(false)]
public IScenario Parent { get; }

```

#### Property Value

[IScenario](VM.Models.IScenario.md)

### <a id="VM_Models_StepBase_ParentDocument"></a> ParentDocument

```csharp
[Browsable(false)]
public IProjectDocument ParentDocument { get; }

```

#### Property Value

[IProjectDocument](VM.Models.IProjectDocument.md)

### <a id="VM_Models_StepBase_Source"></a> Source

```csharp
[Browsable(false)]
public IStep Source { get; }

```

#### Property Value

[IStep](VM.Models.IStep.md)

### <a id="VM_Models_StepBase_State"></a> State

```csharp
public StepState State { get; protected set; }

```

#### Property Value

[StepState](VM.Models.StepState.md)

### <a id="VM_Models_StepBase_StepItemService"></a> StepItemService

```csharp
protected IStepItemService StepItemService { get; }

```

#### Property Value

[IStepItemService](VM.Models.IStepItemService.md)

### <a id="VM_Models_StepBase_TargetApplicationType"></a> TargetApplicationType

```csharp
public abstract ApplicationTypes TargetApplicationType { get; }

```

#### Property Value

ApplicationTypes

### <a id="VM_Models_StepBase_Type"></a> Type

```csharp
[Browsable(false)]
public abstract StepType Type { get; }

```

#### Property Value

[StepType](VM.Models.StepType.md)

### <a id="VM_Models_StepBase_Item_System_Int32_"></a> this\[int\]

```csharp
public IStepItem this[int index] { get; }

```

#### Property Value

[IStepItem](VM.Models.IStepItem.md)

## Methods

### <a id="VM_Models_StepBase_Add_VM_Models_IStepItem_"></a> Add(IStepItem)

```csharp
public void Add(IStepItem item)

```

#### Parameters

`item` [IStepItem](VM.Models.IStepItem.md)

### <a id="VM_Models_StepBase_AddTarget_VM_Models_IStep_"></a> AddTarget(IStep)

```csharp
public void AddTarget(IStep item)

```

#### Parameters

`item` [IStep](VM.Models.IStep.md)

### <a id="VM_Models_StepBase_CanRelation_VM_Models_IStep_"></a> CanRelation(IStep)

```csharp
public virtual bool CanRelation(IStep source)

```

#### Parameters

`source` [IStep](VM.Models.IStep.md)

#### Returns

bool

### <a id="VM_Models_StepBase_ContainsTarget_VM_Models_IStep_"></a> ContainsTarget(IStep)

```csharp
public bool ContainsTarget(IStep item)

```

#### Parameters

`item` [IStep](VM.Models.IStep.md)

#### Returns

bool

### <a id="VM_Models_StepBase_DisposeManagedResources"></a> DisposeManagedResources()

```csharp
protected override void DisposeManagedResources()

```

### <a id="VM_Models_StepBase_OnDeserialization_System_Object_"></a> OnDeserialization(object)

```csharp
public override void OnDeserialization(object sender)

```

#### Parameters

`sender` object

### <a id="VM_Models_StepBase_RemoveTarget_VM_Models_IStep_"></a> RemoveTarget(IStep)

```csharp
public void RemoveTarget(IStep item)

```

#### Parameters

`item` [IStep](VM.Models.IStep.md)

### <a id="VM_Models_StepBase_ResetSource"></a> ResetSource()

```csharp
public virtual void ResetSource()

```

### <a id="VM_Models_StepBase_SetSource_VM_Models_IStep_"></a> SetSource(IStep)

```csharp
public virtual void SetSource(IStep source)

```

#### Parameters

`source` [IStep](VM.Models.IStep.md)