How to customize the backcolor and forecolor of text in WinForms SyntaxEditor (EditControl)?

1 min read

Customize the backcolor and forecolor

In Edit control, it is possible customize the Selected text Backcolor and Forecolor by using property named SelectedText and functions named RegisterBackColorFormat and SetSelectionBackColor.

RegisterBackColorFormat - To specify required color format.

SetSelectionBackColor - To customize Back color to all the selected text.

SelectedText - To find the selected text.s

Following code snippet helps to achieve this requirement.

//Find the Selected text and highlight it.
IBackgroundFormat format =
editControl1.RegisterBackColorFormat(Color.Yellow, Color.Green);
if (this.editControl1.SelectedText != null)
 {
   for (int i = 0; i < this.editControl1.Lines.Count(); i++)
     {
       if (this.editControl1.FindText(this.editControl1.SelectedText))
         this.editControl1.SetSelectionBackColor(format);
     }
 }

‘Find the Selected text and highlight it.
Dim format As IBackgroundFormat = editControl1.RegisterBackColorFormat(Color.Yellow, Color.Green)
If Me.editControl1.SelectedText IsNot Nothing Then
   For i As Integer = 0 To Me.editControl1.Lines.Count() - 1
       If Me.editControl1.FindText(Me.editControl1.SelectedText) Then
         Me.editControl1.SetSelectionBackColor(format)
       End If
   Next
End If

Find and highlight the selectedtext in EditControl