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 # Class Application

 Last update: 09.03.2026 

<a id="VM_CAD_Kernel_Application"></a>

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

This class represents the application object of the native kernel

```csharp
public sealed class Application : KernelObject

```

#### Inheritance

object ← [KernelObject](VM.CAD.Kernel.KernelObject.md) ← [Application](VM.CAD.Kernel.Application.md)

#### Inherited Members

[KernelObject.Dispose()](VM.CAD.Kernel.KernelObject.md#VM_CAD_Kernel_KernelObject_Dispose), [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&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_CAD_Kernel_Application__ctor_System_UIntPtr_System_Boolean_"></a> Application(UIntPtr, bool)

Construct new Application object

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

```

#### Parameters

`key` UIntPtr

The key of the application object.

`isLock` bool

If true, lock reference of the application object. otherwise, false.

## Methods

### <a id="VM_CAD_Kernel_Application_OpenDocument_VM_CAD_Kernel_OpenDocumentInfo_"></a> OpenDocument(OpenDocumentInfo)

Open existing document

```csharp
public (Document doc, uint returnCode) OpenDocument(OpenDocumentInfo openDocumentInfo)

```

#### Parameters

`openDocumentInfo` [OpenDocumentInfo](VM.CAD.Kernel.OpenDocumentInfo.md)

Information of the documet to open.

#### Returns

([Document](VM.CAD.Kernel.Document.md) doc, uint returnCode)

The opened document.

#### See Also

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

### <a id="VM_CAD_Kernel_Application_SetLogLevel_System_Int32_System_Int32_"></a> SetLogLevel(int, int)

Set loge level for kernel messages

```csharp
public void SetLogLevel(int nKernelLogLevel, int nTranslatorLogLevel)

```

#### Parameters

`nKernelLogLevel` int

Kernel message log level

`nTranslatorLogLevel` int

Translator message log level

#### Exceptions

NotImplementedException

Failed to set log level.