Difference between revisions of "Range"
From Xojo Documentation
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Revision as of 21:25, 23 January 2012
Class (inherits from Object)
Used to get the starting position, length, and end position of a StyleRun.
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Notes
A StyleRun is a series of characters with the same style attributes in a StyledText object. A block of StyledText can be thought of as a group of StyleRuns that are appended to each other. Use the Range class to access the position of a StyleRun within the styled text.
Examples
The following example loops through the StyleRuns in a block of StyledText that is displayed in a TextArea. It uses the StartPos and Length properties of the Range class to get the position of each StyleRun and displays it and the text of each StyleRun in a ListBox.
Dim count, i as Integer
count=TextArea1.StyledText.StyleRunCount //get the number of StyleRuns
For i=0 to count-1 //loop through them
ListBox1.Addrow Str(TextArea1.StyledText.StyleRunRange(i).StartPos)
ListBox1.Cell(i,1)=Str(TextArea1.StyledText.StyleRunRange(i).Length)
ListBox1.Cell(i,2)=TextArea1.StyledText.StyleRun(i).Text
Next
count=TextArea1.StyledText.StyleRunCount //get the number of StyleRuns
For i=0 to count-1 //loop through them
ListBox1.Addrow Str(TextArea1.StyledText.StyleRunRange(i).StartPos)
ListBox1.Cell(i,1)=Str(TextArea1.StyledText.StyleRunRange(i).Length)
ListBox1.Cell(i,2)=TextArea1.StyledText.StyleRun(i).Text
Next
See Also
Paragraph, StyledText, StyleRun classes; TextArea control.