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Hi,
I would like to insert one or more readonly spans into the document at runtime when the user clicks on a button. I've tried few solutions but none of them worked.
First i've tried the InsertInline method of the RichTextBox (and later the radDocument version) but i got an exception: InvalidCast with message unable to convert ReadOnlyRangeEnd to AnnotationMarkerStart. After this i have tried to insert only the spans and then use the function InsertReadOnlyRange but i got an exception again with message this inline is not the part of the document. So i've tried to call an UpdateEditorLayout, UpdateLayout and every update method before i used the InsertReadonlyRange but i got the same exception every time.
The question is how can i insert a readonly text responding to a button click event?
Reagrds
Tamas
I would like to insert one or more readonly spans into the document at runtime when the user clicks on a button. I've tried few solutions but none of them worked.
First i've tried the InsertInline method of the RichTextBox (and later the radDocument version) but i got an exception: InvalidCast with message unable to convert ReadOnlyRangeEnd to AnnotationMarkerStart. After this i have tried to insert only the spans and then use the function InsertReadOnlyRange but i got an exception again with message this inline is not the part of the document. So i've tried to call an UpdateEditorLayout, UpdateLayout and every update method before i used the InsertReadonlyRange but i got the same exception every time.
The question is how can i insert a readonly text responding to a button click event?
Reagrds
Tamas
1 Answer, 1 is accepted
0
Hi Tamas,
Inserting ReadOnly text is demonstrated in this forum post.
The sample is for WPF, but the same code can be used in the Silverlight version of RadRichTextBox.
Kind regards,
Iva Toteva
the Telerik team
Inserting ReadOnly text is demonstrated in this forum post.
The sample is for WPF, but the same code can be used in the Silverlight version of RadRichTextBox.
Kind regards,
Iva Toteva
the Telerik team
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