C# WebBrowser control not displaying custom HTML -

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i have web browser control reason isn't loading html: 

 string updatingchathtml = ""         + "<html>    "         + "<head>"         + "<style>"         + "body {"         + "  margin: 0px;"         + "  padding: 0px;"         + "  background: " + chatbackground + ";\n"         + "  font-family: arial;"         + "  font-size: 11px; "         + "  text-align: left;"         + "}"         + "</style>"         + "</head>"         + "<body>"; txtchat.documenttext = updatingchathtml + "</body></html>";

(txtchat webbrowser control).

the weird thing is, working before changed something, can't figure out changed caused stop working.

i have breakpoint set after last line above, , can see updatingchathtml has proper value it's meant to, txtchat.documenttext still has value of <html></html>\0.

i thought maybe initialisation thing, added txtchat.navigate("about:blank"); prior assignment, still doesn't work.

this event gets fired quite though, , first time/two times, doesn't work, after form finished loading seems to, it's last thing happen on form_load.

any suggestions?

attempting set documenttext property when

  • no document loaded
  • or browser control not in ready state (e.g. loading document)

will cause property assignment fail silently.

after calling navigate function should monitor documentcompleted event notification of when navigation operation completes.


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