cUnicodeChar is the unicode character point for this keypress (and potentially multiple chars per press)
public static void KeyChar(HHTMLBrowser unBrowserHandle, uint cUnicodeChar, EHTMLKeyModifiers eHTMLKeyModifiers) { InteropHelp.TestIfAvailableClient(); NativeMethods.ISteamHTMLSurface_KeyChar(unBrowserHandle, cUnicodeChar, eHTMLKeyModifiers); }