Partial Type
System/Windows/Forms/Controls/ToolStrips/ToolStripControlHost.cs
System/Windows/Forms/Controls/ToolStrips/ToolStripControlHost.StubSite.cs
System/Windows/Forms/Controls/ToolStrips/ToolStripControlHost.ToolStripControlHostAccessibleObject.cs
System/Windows/Forms/Controls/ToolStrips/ToolStripControlHost.ToolStripHostedControlAccessibleObject.cs