System.Windows.Forms.ToolStripSplitButton.GetPreferredSize C# (CSharp) Method

		public override Size GetPreferredSize (Size constrainingSize)
		{
			// base should calculate the button part for us, add the splitter
			// and drop down arrow part to that
			Size s = base.GetPreferredSize (constrainingSize);

			if (s.Width < 23)
				s.Width = 23;

			// If we are a fixed size, we can't add more in for the drop down
			// button, but we can for autosize
			if (AutoSize)
				s.Width += (this.drop_down_button_width - 2);
			
			return s;
		}