How to increase the font size of the watermark of textbox in WPF ?

Question

2.00/5 (2 votes)

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How increase font size of text "8 Hours" in below WPF code?

C#

<TextBox x:Name="txt8HoursArm1"
                                         Margin="5"
                                         Grid.Column="1"
                                         IsTabStop="False"
                                         Style="{StaticResource PrimaryInputTextBoxStyle}"
                                         Controls:TextBoxHelper.UseFloatingWatermark="True"
                                         Controls:TextBoxHelper.Watermark="8 Hours"
                                         IsEnabled="False"
                                         Text="1"
                                         GotFocus="txt_GotFocus"
                                         PreviewTextInput="txt_PreviewTextInput"
                                         TextChanged="txt_TextChanged" FontSize="14" />

What I have tried:

I have not found the solution on internet.

Posted 7-Oct-19 23:47pm

Kudale Dinesh

Updated 10-Oct-19 4:54am

v3

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Comments

phil.o 8-Oct-19 5:49am

Have you tried changing the FontSize attribute of the textbox?

Kudale Dinesh 8-Oct-19 6:44am

I have already tried for FontSize attribute. But it is increasing size of 1 i.e. Text="1" only. It will not increase size of "8 Hours" text.

phil.o 8-Oct-19 6:53am

I assume you are talking about the watermark, which seems to be governed by the TextBoxHelper class. The only reference to this class I found is TextBoxHelper Class. Unfortunately, the documentation for this API is far from complete. You can try to play with the ButtonFontSizeProperty. Or you could just ask the author of this library for some hints about your issue.

Maciej Los 8-Oct-19 7:11am

Sounds like an answer...
BTW: MahApps.Metro - API - TextBoxHelper.SetButtonFontFamily(DependencyObject, FontFamily) Method[^] might be more useful.

phil.o 8-Oct-19 7:17am

Migrated to an answer.
Thanks Maciej for the heads-up :)

Edit: indeed, it might. But, given the lack of useful information on that API (the page Usage says quite a lot about this library's documentation), its author may be the best source of information about it.

Maciej Los 8-Oct-19 7:20am

You're very welcome, Phil!

3 solutions

Solution 2

I assume you are talking about the watermark, which seems to be governed by the TextBoxHelper class. The only reference to this class I found is TextBoxHelper Class. Unfortunately, the documentation for this API is far from complete. You can try to play with the ButtonFontSizeProperty. Or you could just ask the author of this library for some hints about your issue.

Posted 8-Oct-19 1:15am

phil.o

Comments

Maciej Los 8-Oct-19 7:20am

5ed!
Please, see updated comment to the question.

phil.o 8-Oct-19 7:24am

Your remark sounds like an answer, too :)

Maciej Los 8-Oct-19 8:08am

:D

Solution 3

In addition to solution #2 by phil.o[^] check this too: MahApps.Metro - API - TextBoxHelper.SetButtonFontFamily(DependencyObject, FontFamily) Method[^]

Posted 8-Oct-19 2:10am

Maciej Los

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Kudale Dinesh · Accepted Answer · 2019-10-10T04:50:00

Solution 4

Thanks phil.o for replay.
------------------------
Please follow the below link where I got answer of my question:-
Answer of My Question

Posted 10-Oct-19 4:50am

Kudale Dinesh