You have a custom Web Part. You need to create a custom user interface for modifying the Web Part properties. What should you do?

Question

Options

• ACreate a new Master Page. Implement the IControlBuilderAccessor interface.
• BCreate a new tool part for the custom Web Part.
• CModify the [ToolBox] attribute of the custom Web Part.
• DCreate a new Web Part. Implement the IControlBuilderAccessor interface.

• A
  14% (3)
• B
  77% (17)
• C
  5% (1)
• D
  5% (1)

Explanation

MNEMONIC RULE: "Tool part for the Web Part" What is a custom tool part? The Custom tool part is part of the web part infrastructure, that helps us to create a custom user interface forthe web part properties that goes beyond the capabilities of the default property pane. When do we need a custom tool part? Let's say, If we need to create a web part property of type dropdown, we need to create a custom tool part.This is not supported out-of-box in the web part framework. I've the similar requirement of creating a customweb part property of type drop-down. Create Custom Tool Parts for SharePoint Web Parts https://msmvps.com/blogs/sundar_narasiman/archive/2009/09/02/create-custom-tool-parts-for- sharepoint-webparts.aspx

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