ToolboxService.GetToolboxItems Method (Assembly, String)

Returns an ICollection containing all the toolbox items in the given assembly.

Namespace:  System.Drawing.Design
Assembly:  System.Drawing.Design (in System.Drawing.Design.dll)

public static ICollection GetToolboxItems(
	Assembly a,
	string newCodeBase
)

Parameters

a
Type: System.Reflection.Assembly

The assembly to enumerate.

newCodeBase
Type: System.String

A string that is the URL location of the assembly.

Return Value

Type: System.Collections.ICollection
A collection containing all the toolbox items in the given assembly.

ExceptionCondition
ArgumentNullException

a is null.

The GetToolboxItems method scans the assembly for all types that support toolbox items, and return items for those types. To support a toolbox item, a type must have the following characteristics:

Assemblies are locked for the duration of a process, so enumerating various files through GetToolboxItems can cause many assemblies to be loaded. The GetToolboxItems methods that take an assembly name create a separate AppDomain to search assemblies. When you are finished enumerating ToolboxItem objects for a set of assemblies, you can call the UnloadToolboxItems method, which unloads the AppDomain and frees the file references on the loaded assemblies.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0
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