protected override void OnBeforeCommandLineProcessing(string processType, CefCommandLine commandLine)
{
if (commandLine.HasSwitch(CmdAssemblySearchPathSwitch))
{
var searchPath = commandLine.GetSwitchValue(CmdAssemblySearchPathSwitch);
AppDomain.CurrentDomain.AssemblyResolve += (sender, resolveEventArgs) =>
{
var assemblyName = new AssemblyName(resolveEventArgs.Name);
var assemblyFileName = assemblyName.Name + ".dll";
var assemblyLocation = Path.Combine(searchPath, assemblyFileName);
if (File.Exists(assemblyLocation))
{
return(Assembly.LoadFrom(assemblyLocation));
}
return(null);
};
}
if (string.IsNullOrEmpty(processType))
{
// Taken from: https://bitbucket.org/chromiumembedded/cef/commits/e3c1d8632eb43c1c2793d71639f3f5695696a5e8
// If the PDF extension is enabled then cc Surfaces must be disabled for
// PDFs to render correctly.
// See https://bitbucket.org/chromiumembedded/cef/issues/1689 for details.
if (!commandLine.HasSwitch("disable-extensions") && !commandLine.HasSwitch("disable-pdf-extension"))
{
commandLine.AppendSwitch("disable-surfaces");
}
// Use software rendering and compositing (disable GPU) for increased FPS
// and decreased CPU usage. This will also disable WebGL so remove these
// switches if you need that capability.
// See https://bitbucket.org/chromiumembedded/cef/issues/1257 for details.
if (!commandLine.HasSwitch("enable-gpu"))
{
commandLine.AppendSwitch("disable-gpu");
commandLine.AppendSwitch("disable-gpu-compositing");
}
// Synchronize the frame rate between all processes. This results in
// decreased CPU usage by avoiding the generation of extra frames that
// would otherwise be discarded. The frame rate can be set at browser
// creation time via CefBrowserSettings.windowless_frame_rate or changed
// dynamically using CefBrowserHost::SetWindowlessFrameRate. In cefclient
// it can be set via the command-line using `--off-screen-frame-rate=XX`.
// See https://bitbucket.org/chromiumembedded/cef/issues/1368 for details.
commandLine.AppendSwitch("enable-begin-frame-scheduling");
//commandLine.AppendSwitch("disable-smooth-scrolling");
commandLine.AppendSwitch("enable-system-flash");
}
base.OnBeforeCommandLineProcessing(processType, commandLine);
}
protected override void OnBeforeChildProcessLaunch(CefCommandLine commandLine)
{
if (commandLine.GetSwitchValue("type").StartsWith("render"))
{
if (_disableSpellChecking)
{
commandLine.AppendArgument("--disable-spell-checking");
}
else if (!string.IsNullOrEmpty(_spellCheckLanguage) && !_spellCheckLanguage.Equals("en-US"))
{
commandLine.AppendArgument(string.Format("--override-spell-check-lang={0}", _spellCheckLanguage));
}
}
base.OnBeforeChildProcessLaunch(commandLine);
}
protected override void OnBeforeCommandLineProcessing(string processType, CefCommandLine commandLine)
{
if (commandLine.HasSwitch(CmdAssemblySearchPathSwitch))
{
var searchPath = commandLine.GetSwitchValue(CmdAssemblySearchPathSwitch);
AppDomain.CurrentDomain.AssemblyResolve += (sender, resolveEventArgs) =>
{
var assemblyName = new AssemblyName(resolveEventArgs.Name);
var assemblyFileName = assemblyName.Name + ".dll";
var assemblyLocation = Path.Combine(searchPath, assemblyFileName);
if (File.Exists(assemblyLocation))
{
return(Assembly.LoadFrom(assemblyLocation));
}
return(null);
};
}
base.OnBeforeCommandLineProcessing(processType, commandLine);
}