Change font programmatically

Question

1.00/5 (3 votes)

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These three line define under below how to change Font programmatically

Arial	‘ Change Font / Font Size
Thoma	‘ Change Font / Font Size
Calibri   ‘Change Font  / Font Size

What I have tried:

RtbBox.Text += Environment.NewLine + "Thoma"
        RtbBox.Text += Environment.NewLine + "Arial"
        RtbBox.Text += Environment.NewLine + "Calibiri"

RtbBarcodeLinesGenerate.SelectionFont = New Font("Thoma", 16, FontStyle.Regular)

RtbBox.SelectionFont = New Font(RtbBox.Font.FontFamily, RtbBox.Font.Size, FontStyle.Bold)

Posted 24-Mar-19 2:05am

Computechsoft

Updated 24-Mar-19 8:35am

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Comments

Mohibur Rashid 24-Mar-19 8:41am

What is the problem?

2 solutions

Solution 1

Try This.

Font f = new Font("Arial", 14);
RtbBox.SelectAll();
RtbBox.SelectionFont = f;

Posted 24-Mar-19 2:47am

Member 12088223

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Maciej Los · Accepted Answer · 2019-03-24T08:36:00

Based on the example from MSDN forum: Making Specific Lines Bold in a RichTextBox- VB.NET[^]

VB.NET

'lines(0)
RichTextBox1.SelectionStart = RichTextBox1.GetFirstCharIndexFromLine(0)
RichTextBox1.SelectionLength = RichTextBox1.Lines(0).Length
RichTextBox1.SelectionFont = New Font("Thoma", 16, FontStyle.Regular)
'lines(1)
RichTextBox1.SelectionStart = RichTextBox1.GetFirstCharIndexFromLine(1)
RichTextBox1.SelectionLength = RichTextBox1.Lines(1).Length
RichTextBox1.SelectionFont = New Font("Arial", 14, FontStyle.Bold)
'lines(2)
RichTextBox1.SelectionStart = RichTextBox1.GetFirstCharIndexFromLine(2)
RichTextBox1.SelectionLength = RichTextBox1.Lines(2).Length
RichTextBox1.SelectionFont = New Font("Calibiri", 12, FontStyle.Italic)

[EDIT]
Above code can be "converted" into procedure. See: Programatically Add Formatted Font To Richtextbox - VB.NET | Dream.In.Code[^]

Good luck!