[Enhancement] Added support for customizing the window title with configurable font attributes by Tamilarasan-Paranthaman · Pull Request #31820 · dotnet/maui

Tamilarasan-Paranthaman · 2025-09-30T06:50:55Z

Note

Are you waiting for the changes in this PR to be merged?
It would be very helpful if you could test the resulting artifacts from this PR and let us know in a comment if this change resolves your issue. Thank you!

Description of Change

Implemented a new TitleFontAttributes property on the TitleBar to control the font style of the window title.
- Default value is None (to highlight the app title).
- Users can customize it to Italic, Bold, or None as needed.

Public API Changes

New Property Added: TitleFontAttributes (on TitleBar)
Type: FontAttributes
Default Value: None
Description: Controls the font style of the window title. Supports Bold, Italic, and None.

Screenshot

Windows	Mac
Windows-TitleBar.mp4	Mac-TitleBar.mov

Usage Example

Xaml:

<Window.TitleBar>
    <TitleBar Title="My App"
              TitleFontAttributes="Italic" />
</Window.TitleBar>

C#:

public partial class App : Application
{
  protected override Window CreateWindow(IActivationState? activationState)
  {
     var window = new Window(new SandboxShell());
     window.TitleBar = new TitleBar
     {
      Title = "MauiApp",
      TitleFontAttributes = FontAttributes.Bold,
     };

   return window;
  }
}

Issues Fixed

Fixes #24627

jsuarezruiz · 2025-09-30T07:46:22Z

/azp run

azure-pipelines · 2025-09-30T07:46:42Z

Azure Pipelines successfully started running 3 pipeline(s).

Copilot

Pull Request Overview

This PR adds a new TitleFontAttributes property to the TitleBar control that allows developers to customize the font style (Bold, Italic, None) of the window title text, with Bold as the default value to enhance app title visibility.

Added TitleFontAttributes property to TitleBar with FontAttributes.Bold as default
Updated TitleBar template to bind the new property to the title label
Added comprehensive UI tests to verify the font attributes functionality

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

File	Description
src/Controls/src/Core/TitleBar/TitleBar.cs	Added TitleFontAttributes property with Bold default and binding to title label
src/Controls/tests/TestCases.HostApp/Issues/Issue24627.cs	Created test page to demonstrate title font attributes with toggle functionality
src/Controls/tests/TestCases.Shared.Tests/Tests/Issues/Issue24627.cs	Added UI tests to verify Bold default and None toggle behavior
src/Controls/src/Core/PublicAPI/**/PublicAPI.Unshipped.txt	Updated public API surface for all platforms to include new property

src/Controls/tests/TestCases.HostApp/Issues/Issue24627.cs

src/Controls/src/Core/TitleBar/TitleBar.cs

jsuarezruiz

Failing related tests:

Tamilarasan-Paranthaman · 2025-10-01T13:24:44Z

Failing related tests:

@jsuarezruiz, I have updated the test sample, and committed the images

jsuarezruiz · 2025-10-06T05:49:37Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-10-06T05:49:49Z

Azure Pipelines successfully started running 1 pipeline(s).

src/Controls/tests/TestCases.HostApp/Issues/Issue24627.cs

src/Controls/src/Core/TitleBar/TitleBar.cs

jsuarezruiz · 2025-10-10T09:10:59Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-10-10T09:11:12Z

Azure Pipelines successfully started running 1 pipeline(s).

jsuarezruiz · 2025-10-16T10:47:55Z

/azp run MAUI-UITests-public

azure-pipelines · 2025-10-16T10:48:06Z

Azure Pipelines successfully started running 1 pipeline(s).

github-actions · 2025-12-09T05:15:23Z

🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.sh | bash -s -- 31820

Or

Run remotely in PowerShell:

iex "& { $(irm https://raw.githubusercontent.com/dotnet/maui/main/eng/scripts/get-maui-pr.ps1) } 31820"

rmarinho · 2026-01-31T01:40:02Z

/rebase

MauiBot · 2026-03-21T00:38:00Z

⚠️ Merge Conflict Detected — This PR has merge conflicts with its target branch. Please rebase onto the target branch and resolve the conflicts.

kubaflo

Could you please resolve conflicts?

Tamilarasan-Paranthaman · 2026-03-23T06:48:32Z

Could you please resolve conflicts?

@kubaflo, Conflicts have been resolved

MauiBot · 2026-03-23T21:15:22Z

⚠️ Merge Conflict Detected — This PR has merge conflicts with its target branch. Please rebase onto the target branch and resolve the conflicts.

MauiBot · 2026-03-25T20:37:02Z

⚠️ Merge Conflict Detected — This PR has merge conflicts with its target branch. Please rebase onto the target branch and resolve the conflicts.

MauiBot · 2026-03-25T21:20:58Z

⚠️ Merge Conflict Detected — This PR has merge conflicts with its target branch. Please rebase onto the target branch and resolve the conflicts.

MauiBot · 2026-03-29T14:58:19Z

⚠️ Merge Conflict Detected — This PR has merge conflicts with its target branch. Please rebase onto the target branch and resolve the conflicts.

dotnet-policy-service bot added community ✨ Community Contribution partner/syncfusion Issues / PR's with Syncfusion collaboration labels Sep 30, 2025

Tamilarasan-Paranthaman added platform/macos macOS / Mac Catalyst platform/windows area-controls-titlebar labels Sep 30, 2025

Tamilarasan-Paranthaman marked this pull request as ready for review September 30, 2025 08:06

Copilot AI review requested due to automatic review settings September 30, 2025 08:06

Copilot AI reviewed Sep 30, 2025

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jsuarezruiz suggested changes Sep 30, 2025

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Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from 22fb331 to 026f347 Compare October 1, 2025 07:46

jsuarezruiz suggested changes Oct 6, 2025

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src/Controls/tests/TestCases.HostApp/Issues/Issue24627.cs Show resolved Hide resolved

src/Controls/src/Core/TitleBar/TitleBar.cs Show resolved Hide resolved

Tamilarasan-Paranthaman changed the title ~~[.NET10] [Enhancement] Display Window Title in bold by default with configurable font attributes~~ [Enhancement] Added support for customizing the window title with configurable font attributes Dec 5, 2025

Tamilarasan-Paranthaman changed the base branch from net10.0 to net11.0 December 9, 2025 05:10

Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from 3612317 to f91e337 Compare December 9, 2025 05:15

sheiksyedm added this to the .NET 11 Planning milestone Dec 9, 2025

Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from f91e337 to 8a3edc8 Compare January 20, 2026 09:59

This was referenced Jan 20, 2026

The Operation will be canceled. The next steps may not contain expected logs. dotnet/dnceng#3008

Open

[android-arm64] The Operation will be canceled. The next steps may not contain expected logs. dotnet/dnceng#6408

Open

Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from 8a3edc8 to 186a9be Compare February 2, 2026 06:33

kubaflo requested changes Mar 21, 2026

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Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from 186a9be to 1685ae6 Compare March 23, 2026 06:24

Tamilarasan-Paranthaman added 6 commits March 30, 2026 12:08

Implemented Title FontAttributes

d231cf2

Added test

6729900

Added snapshots

63e053e

test sample changes

513bcb4

Updated TitleBar.cs

7637563

Added snapshots

787bf5d

Tamilarasan-Paranthaman force-pushed the TitleBar-Title-FontAttributes branch from 1685ae6 to 787bf5d Compare March 30, 2026 06:38

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Description of Change

Public API Changes

Screenshot

Usage Example

Issues Fixed

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