Coding⏱️ 2 min read📅 2026-06-03

How to Fix: wpf: how to show tooltip when button disabled by command?

Show tooltip when button is disabled due to command.CanExecute returning false.

Quick Answer: Use ToolTipService.ShowOnDisabled with true and set the tooltip's visibility based on the button's state in the code-behind.

📋 Table of Contents

  1. 💡 Solution
  2. 🎯 Final Words

To show a tooltip when a button is disabled due to a command's CanExecute returning false, you can use the ToolTipService.ShowOnDisabled property in combination with the Button's IsEnabled property.

💡 Solution

  • Set ToolTipService.ShowOnDisabled to true in your XAML.

Step-by-Step Solution

  1. Step 1: In your XAML, add ToolTipService.ShowOnDisabled to the Button element.

Example:

<Button Command="{Binding Path=CommandExecuteAction}" ToolTip="{Binding Path=Description}" ToolTipService.ShowOnDisabled="true" IsEnabled="{(Binding CanExecute, Converter={StaticResource canExecuteConverter})}">

🎯 Final Words

By setting ToolTipService.ShowOnDisabled to true, you ensure that the tooltip is displayed regardless of the button's enabled state.

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