    

 ## On this page

  

 

 # Interface IHiddenFormView

 Last update: 16.07.2025 

Namespace: [VM.Managed.DAFUL.Pre](VM.Managed.DAFUL.Pre.md)  
Assembly: dfpredat.dll

This interface is to represent the hidden form view.

```csharp
public interface IHiddenFormView

```

#### 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_)

## Methods

### ClearUserControl()

Clears the user control.

```csharp
void ClearUserControl()

```

### Fit()

Fits this instance.

```csharp
void Fit()

```

### GetActiveDesignType()

Updates the active user control.

```csharp
string GetActiveDesignType()

```

#### Returns

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

Design Type

### OnButtonDown(MouseEventArgs)

Called when \[button down\].

```csharp
void OnButtonDown(MouseEventArgs arg)

```

#### Parameters

`arg` [MouseEventArgs](https://learn.microsoft.com/dotnet/api/system.windows.forms.mouseeventargs)

The  instance containing the event data.

### OnButtonUp(MouseEventArgs)

Called when \[button up\].

```csharp
void OnButtonUp(MouseEventArgs arg)

```

#### Parameters

`arg` [MouseEventArgs](https://learn.microsoft.com/dotnet/api/system.windows.forms.mouseeventargs)

The  instance containing the event data.

### SelectTabInUserControl(int)

Selects the tab in user control.

```csharp
void SelectTabInUserControl(int nIdx)

```

#### Parameters

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

Index of the n.

### SetActiveUserControl(string, object)

Sets the active user control.

```csharp
void SetActiveUserControl(string strType, object obj)

```

#### Parameters

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

Type of the string.

`obj` [object](https://learn.microsoft.com/dotnet/api/system.object)

The object.

### ShowTabInDesigner(int, bool)

Shows the tab in designer.

```csharp
void ShowTabInDesigner(int nIdx, bool bShow)

```

#### Parameters

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

Index of the n.

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

if set to `true` \[b show\].

### UpdateUserControl(object)

Updates the user control.

```csharp
void UpdateUserControl(object obj)

```

#### Parameters

`obj` [object](https://learn.microsoft.com/dotnet/api/system.object)

The object.

### UpdateView()

Updates the view.

```csharp
void UpdateView()

```