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 # Interface IOpenFileService

 Last update: 09.03.2026 

<a id="VM_IOpenFileService"></a>

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

```csharp
public interface IOpenFileService : IFileSupport

```

#### Implements

[IFileSupport](VM.IFileSupport.md)

#### 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_)

## Properties

### <a id="VM_IOpenFileService_FileNames"></a> FileNames

```csharp
IReadOnlyCollection<string> FileNames { get; }

```

#### Property Value

IReadOnlyCollection&lt;string&gt;

### <a id="VM_IOpenFileService_IsMultiSelect"></a> IsMultiSelect

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

```

#### Property Value

bool

## Methods

### <a id="VM_IOpenFileService_ShowDialog"></a> ShowDialog()

```csharp
bool ShowDialog()

```

#### Returns

bool