## On this page

  

 

 # Class RoadFileCanvas

 Last update: 16.07.2025 

Namespace: [VM.CAD.Kernel](VM.CAD.Kernel.md)  
Assembly: VM.CAD.Kernel.dll

```csharp
public class RoadFileCanvas : KernelExtension

```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← [KernelObject](VM.CAD.Kernel.KernelObject.md) ← [KernelExtension](VM.CAD.Kernel.KernelExtension.md) ← [RoadFileCanvas](VM.CAD.Kernel.RoadFileCanvas.md)

#### Inherited Members

[KernelExtension.Create<T>(UIntPtr, bool)](VM.CAD.Kernel.KernelExtension.md#VM_CAD_Kernel_KernelExtension_Create__1_System_UIntPtr_System_Boolean_), [KernelObject.VMK\_ARGUMENT\_NULL](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_VMK_ARGUMENT_NULL), [KernelObject.VMK\_ARGUMENT\_TYPE](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_VMK_ARGUMENT_TYPE), [KernelObject.VMK\_OK](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_VMK_OK), [KernelObject.Dispose()](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_Dispose), [KernelObject.Execute(Func<int>)](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_Execute_System_Func_System_Int32__), [KernelObject.GetFrom<TResult>(KernelObject.delGetFrom<TResult>, bool)](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_GetFrom__1_VM_CAD_Kernel_KernelObject_delGetFrom___0__System_Boolean_), [KernelObject.DisposeManagedResource()](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_DisposeManagedResource), [KernelObject.DisposeUnmanagedResource()](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_DisposeUnmanagedResource), [KernelObject.Key](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_Key)

#### 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<T>(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### RoadFileCanvas(UIntPtr, bool)

```csharp
public RoadFileCanvas(UIntPtr key, bool isLock = true)

```

#### Parameters

`key` [UIntPtr](https://learn.microsoft.com/dotnet/api/system.uintptr)

`isLock` [bool](https://learn.microsoft.com/dotnet/api/system.boolean)

## Properties

### MessageCallback

```csharp
public RoadFileCanvas.MessageFn MessageCallback { get; set; }

```

#### Property Value

[RoadFileCanvas](VM.CAD.Kernel.RoadFileCanvas.md).[MessageFn](VM.CAD.Kernel.RoadFileCanvas.MessageFn.md)

### Segments

```csharp
public int Segments { get; }

```

#### Property Value

[int](https://learn.microsoft.com/dotnet/api/system.int32)

## Methods

### Create(UIntPtr, bool)

```csharp
public static RoadFileCanvas Create(UIntPtr key, bool bLock = true)

```

#### Parameters

`key` [UIntPtr](https://learn.microsoft.com/dotnet/api/system.uintptr)

`bLock` [bool](https://learn.microsoft.com/dotnet/api/system.boolean)

#### Returns

[RoadFileCanvas](VM.CAD.Kernel.RoadFileCanvas.md)

### Open(string, double)

```csharp
public void Open(string strRoadFile, double dFactorFromMeter)

```

#### Parameters

`strRoadFile` [string](https://learn.microsoft.com/dotnet/api/system.string)

`dFactorFromMeter` [double](https://learn.microsoft.com/dotnet/api/system.double)

### SetDetailedSegment(int)

```csharp
public void SetDetailedSegment(int nSeg)

```

#### Parameters

`nSeg` [int](https://learn.microsoft.com/dotnet/api/system.int32)

### SetTransformation(Vector, double)

```csharp
public void SetTransformation(Vector offset, double rotateAngleDeg)

```

#### Parameters

`offset` Vector

`rotateAngleDeg` [double](https://learn.microsoft.com/dotnet/api/system.double)