最新版 JCL+JVCL控件！非常不错的控件资源。包含了所能用到的大部分功能！

				object MDIChildForm: TMDIChildForm
				  Left = 548
				  Top = 264
				  ClientWidth = 379
				  ClientHeight = 267
				  Caption = 'MDIChildForm'
				  Color = clBtnFace
				  Font.Charset = DEFAULT_CHARSET
				  Font.Color = clWindowText
				  Font.Height = -11
				  Font.Name = 'MS Sans Serif'
				  Font.Style = []
				  FormStyle = fsMDIChild
				  OldCreateOrder = False
				  Position = poDefault
				  Visible = True
				  PixelsPerInch = 96
				  TextHeight = 13
				  object BackgroundSwitch: TSpeedButton
				    Left = 24
				    Top = 16
				    Width = 105
				    Height = 49
				    AllowAllUp = True
				    GroupIndex = 1
				    Caption = 'Click here'
				    Flat = True
				    Font.Charset = DEFAULT_CHARSET
				    Font.Color = clWindowText
				    Font.Height = -19
				    Font.Name = 'MS Sans Serif'
				    Font.Style = []
				    ParentFont = False
				    OnClick = BackgroundSwitchClick
				  end
				end