<ThreadSafetyStatement>Gtk# is thread aware, but not thread safe; See the <linklocation="node:gtk-sharp/programming/threads">Gtk# Thread Programming</link> for details.</ThreadSafetyStatement>
<para>The <seecref="M:Gtk.AccelGroup.AccelActivate"/> event invokes <seecref="T:Gtk.AccelActivateHandler"/> delegates which pass event data via this class.</para>
<para>This value represents a specific non-modifier key on the keyboard.</para>
<para>A key combination may include a standard key and modifier keys, for example <c>Ctrl-S</c>. Check <seecref="P:Gtk.AccelActivateArgs.Modifier"/> for the modifiers that were applied.</para>
<summary>Gets the mouse and keyboard modifier combination that was used to activate the accelerator.</summary>
<value>A bitwise combined <seecref="T:Gdk.ModifierType"/> containing the mouse and keyboard modifier combination that was used to activate the accelerator.</value>
<remarks>Modifiers can include Ctrl, Shift, Alt, Meta keys (Windows, Apple), and mouse buttons. These are items that by themselves my perform no task, but when combined, often with <seecref="P:Gtk.AccelActivateArgs"/>, represent an accelerator. For example, <c>Ctrl-S</c>, <c>Ctrl-Alt-Del</c>, <c>Ctrl-Left Mouse Button</c>, or <c>Apple-Control-Reset</c>.</remarks>