/// <summary>
/// Start tracing events on all processes. Tracing is initialized asynchronously
/// and |callback| will be executed on the UI thread after initialization is
/// complete.
/// If CfxBeginTracing was called previously, or if a CfxEndTracingAsync call is
/// pending, CfxBeginTracing will fail and return false (0).
/// |categories| is a comma-delimited list of category wildcards. A category can
/// have an optional '-' prefix to make it an excluded category. Having both
/// included and excluded categories in the same list is not supported.
/// Example: "test_MyTest*" Example: "test_MyTest*,test_OtherStuff" Example:
/// "-excluded_category1,-excluded_category2"
/// This function must be called on the browser process UI thread.
/// </summary>
/// <remarks>
/// See also the original CEF documentation in
/// <see href="https://bitbucket.org/chromiumfx/chromiumfx/src/tip/cef/include/capi/cef_trace_capi.h">cef/include/capi/cef_trace_capi.h</see>.
/// </remarks>
public static bool BeginTracing(string categories, CfxCompletionCallback callback)
{
var categories_pinned = new PinnedString(categories);
var __retval = CfxApi.cfx_begin_tracing(categories_pinned.Obj.PinnedPtr, categories_pinned.Length, CfxCompletionCallback.Unwrap(callback));
categories_pinned.Obj.Free();
return(0 != __retval);
}