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 # Interface ICanvas

 Last update: 16.07.2025 

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

```csharp
public interface ICanvas

```

#### 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_)

## Properties

### Color

```csharp
Color Color { set; }

```

#### Property Value

[Color](https://learn.microsoft.com/dotnet/api/system.drawing.color)

### LineWeight

```csharp
double LineWeight { set; }

```

#### Property Value

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

### TextSize

```csharp
double TextSize { set; }

```

#### Property Value

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

### WireframeMode

```csharp
bool WireframeMode { set; }

```

#### Property Value

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

## Methods

### Clear()

```csharp
void Clear()

```

### DisplayTheFront()

```csharp
void DisplayTheFront()

```

### DisplayTheFront(double)

```csharp
void DisplayTheFront(double depthRange)

```

#### Parameters

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

### DrawLine(Vector, Vector)

```csharp
UIntPtr DrawLine(Vector start, Vector end)

```

#### Parameters

`start` Vector

`end` Vector

#### Returns

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

### DrawMarker(Vector)

```csharp
UIntPtr DrawMarker(Vector vector)

```

#### Parameters

`vector` Vector

#### Returns

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

### DrawText(Vector, string)

```csharp
UIntPtr DrawText(Vector vector, string text)

```

#### Parameters

`vector` Vector

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

#### Returns

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

### FastDrawLine(UIntPtr, UIntPtr)

```csharp
void FastDrawLine(UIntPtr start, UIntPtr end)

```

#### Parameters

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

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

### FastDrawShell(UIntPtr, ulong, UIntPtr, ulong, double)

```csharp
void FastDrawShell(UIntPtr points, ulong nPoints, UIntPtr connectivities, ulong nConnectivities, double dScale)

```

#### Parameters

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

`nPoints` [ulong](https://learn.microsoft.com/dotnet/api/system.uint64)

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

`nConnectivities` [ulong](https://learn.microsoft.com/dotnet/api/system.uint64)

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

### GetSubCanvas(string)

```csharp
ICanvas GetSubCanvas(string canvasName)

```

#### Parameters

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

#### Returns

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

### Instantiate(IHasKeyObject, TMatrix)

```csharp
void Instantiate(IHasKeyObject @object, TMatrix matrix)

```

#### Parameters

`object` [IHasKeyObject](VM.Models.Pre.IHasKeyObject.md)

`matrix` TMatrix

### SetMarkerSymbol(MarkerTypes, double)

```csharp
void SetMarkerSymbol(MarkerTypes markerType, double size)

```

#### Parameters

`markerType` MarkerTypes

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