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How to select again the previously selected text after changing its case?

 

SetSelection() method is used to select the text in EditControl. We need to invoke SetSelection() method after converting the case of the SelectedText.

C#

// Selecting the text after converting to lowercase

string lowerCaseStr;

lowerCaseStr = this.editControl1.SelectedText.ToLower();

this.editControl1.SelectedText = lowerCaseStr;

this.editControl1.SetSelection(col - lowerCaseStr.Length, this.editControl1.CurrentLine, col, this.editControl1.CurrentLine);

// Selecting the text after converting to uppercase

string upperCaseStr;

upperCaseStr = this.editControl1.SelectedText.ToUpper();

this.editControl1.SelectedText = upperCaseStr;

this.editControl1.SetSelection(col-upperCaseStr.Length, this.editControl1.CurrentLine, col, this.editControl1.CurrentLine);

VB

'' Selecting the text after converting to lowercase

Dim lowerCaseStr As String

lowerCaseStr = Me.editControl1.SelectedText.ToLower()

Me.editControl1.SelectedText = lowerCaseStr

Me.editControl1.SetSelection(col - lowerCaseStr.Length, Me.editControl1.CurrentLine, col, Me.editControl1.CurrentLine)

''Selecting the text after converting to uppercase

Dim upperCaseStr As String

upperCaseStr = Me.editControl1.SelectedText.ToUpper()

Me.editControl1.SelectedText = upperCaseStr

Me.editControl1.SetSelection(col-upperCaseStr.Length, Me.editControl1.CurrentLine, col, Me.editControl1.CurrentLine)

Sample:

http://websamples.syncfusion.com/samples/KB/Edit.Win/KB_HighlightingText/main.htm

Article ID: Published Date: Last Revised Date: Platform: Control:
399 04/30/2011 07/10/2014 Windows Forms EditControl
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