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but I cant see this being the case here.Monotype corsiva font dafont. The documentation for the property says - If the current text selection has more than one font specified, this property is a null reference ( Nothing in Visual Basic). ' fntNewfont = RichTextBox1.SelectionFont Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

I used the newfont for debug to show that lectionfont is nothing, code without it as below shows same error and that changes such as colour are picked up OK - if you click OK on the error the listbox item is up to date with the first. selectionfont property is accessed with monotype corsiva when the error occurs. Yes, all attributes - character,bold, italic, underline etc. Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Clickįor intcount = 0 To - 1 Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Loadĭim installed_fonts As New InstalledFontCollectionįor Each font_family As FontFamily In installed_fonts.Families The form load shows that Monotype Corsiva is in the font library and the try picks up the error more elegantly. I use designer (or could use code) to change the default font for the Richtextbox and either type some text into the box or copy and paste from word a small text line which changes fonts and colours and then press button. Test program has a richtextbox (richtextbox1) and a listbox (lstFont) defined with a button (button2) to start the test. I'm sorry this was just a small extract used with debug with breakpoints to show that the selection font went to nothing when font was switched to corsiva.

I have seen posts that show this font does not have a "regular" style but is there a way round this, presumably other fonts could exist that cause the same problem. If I set the default font for the box to be monotype corsiva this starts fine, picks up font changes to say Arial but errors when reverting later back to monotype. The new colour and backcolour have been updated correctly but the box.selectionfont is nothing.

This works fine until i reach a change of font to monotype corsiva which errors as Null Reference exception was caught. This is based on several published suggested methods and covers change of colour, backcolour and font. I have a small test program that iterates character by character to read through the contents of a richtextbox and convert to html to include in an e-mail.