# VisDropDownBase

Namespace: **PPJ.Runtime.Vis**

Assembly: **PPJ.Runtime.Vis.49** (4.9.0.0)

Base class for all custom drop down controls.

{% tabs %}
{% tab title="C#" %}

```csharp
public class VisDropDownBase : SalComboBox
```

{% endtab %}

{% tab title="VB.NET" %}

```visual-basic
Public Class VisDropDownBase
    Inherits SalComboBox
```

{% endtab %}
{% endtabs %}

## Constructors

### ![](/files/dBIrS7XBDGmrzmTRbSI6)VisDropDownBase()

Constructor

## Properties

### ![](/files/dBIrS7XBDGmrzmTRbSI6)DropDownBorderStyle

[BorderStyle](https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.borderstyle): Returns/Sets the border style to use for the drop down host.

### ![](/files/dBIrS7XBDGmrzmTRbSI6)DropDownControl

[Control](https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.control): Gets/Sets the control to use as the combo's drop down.

### ![](/files/dBIrS7XBDGmrzmTRbSI6)DropDownSize

[Size](https://docs.microsoft.com/en-us/dotnet/api/system.drawing.size): Gets/Sets the size of the drop down control.

### ![](/files/dBIrS7XBDGmrzmTRbSI6)DroppedDown

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Shows/Hides the custom drop down control.

### ![](/files/dBIrS7XBDGmrzmTRbSI6)Editable

[Boolean](https://docs.microsoft.com/en-us/dotnet/api/system.boolean): Gets/Sets the editable flag.

### ![](/files/dBIrS7XBDGmrzmTRbSI6)SelectedIndex

[Int32](https://docs.microsoft.com/en-us/dotnet/api/system.int32): Hide the SelectedIndex property.

## Inherited By

| Name                                                                                       | Description                                          |
| ------------------------------------------------------------------------------------------ | ---------------------------------------------------- |
| [VisColorPaletteDropDown](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md) | Non-editable combo-box with drop-down color palette  |
| [VisListViewDropDown](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md)     | Combo box with drop down cListView                   |
| [VisOutlineComboBox](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md)      | Combo box which supports hierarchical tree outlines. |

## Implements

| Name                                                                               | Description |
| ---------------------------------------------------------------------------------- | ----------- |
| [ISalControl](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md)     |             |
| [ISalEditControl](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md) |             |
| [ISalListControl](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md) |             |
| [ISalWindow](/ppj.runtime.vis.49/controls/ppj.runtime.vis.visdropdownbase.md)      |             |


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