DesignMode Class

Definition

Namespace:

Windows.ApplicationModel

Enables you to detect whether your app is in design mode in a visual designer.

public ref class DesignMode abstract sealed

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class DesignMode final

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public static class DesignMode

Public Class DesignMode

Inheritance

Object Platform::Object IInspectable DesignMode

Attributes

ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)

Remarks

Visual designers like Microsoft Visual Studio and Blend for Microsoft Visual Studio 2013 enable you to build UI for UWP app by editing activated instances of your custom types. Design tools create an instance of your app in a special authoring mode, known as design mode. When your app runs in design mode, it can execute special logic that enables coordination with the visual designer.

Version history

Windows version	SDK version	Value added
1709	16299	DesignMode2Enabled

Properties

DesignMode2Enabled	Used to enable or disable user code inside a XAML designer that targets the Windows 10 Fall Creators Update SDK, or later.
DesignModeEnabled	Gets a value that indicates whether the process is running in design mode.