Delphi World - это проект, являющийся сборником статей и малодокументированных возможностей  по программированию в среде Delphi. Здесь вы найдёте работы по следующим категориям: delphi, delfi, borland, bds, дельфи, делфи, дэльфи, дэлфи, programming, example, программирование, исходные коды, code, исходники, source, sources, сорцы, сорсы, soft, programs, программы, and, how, delphiworld, базы данных, графика, игры, интернет, сети, компоненты, классы, мультимедиа, ос, железо, программа, интерфейс, рабочий стол, синтаксис, технологии, файловая система...
Иерархия классов



unit InfoForm;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  StdCtrls, ExtCtrls, Buttons, Clipbrd, Comctrls, Db, Dbcgrids,
  Dbctrls, Dbgrids, Dblookup, Dbtables, Dialogs,
  Filectrl, Grids, Mask, Menus, Mplayer, Oleconst, Olectnrs,
  Olectrls, Outline, Tabnotbk, Tabs, IniFiles, Printers,
  Registry, DsgnIntf, Provider, BdeProv, DBClient,
  ComObj, ActiveX, DDEMan, IBCtrls, Math, Nsapi, Isapi,
  ScktComp, Axctrls, Calendar, CgiApp, checklst,
  ColorGrd, ComServ, syncobjs, httpapp, dbweb, DirOutln,
  Gauges, DsIntf, ToolIntf, EditINtf, ExptIntf, VirtIntf,
  istreams, isapiapp, dblogdlg, masks, ExtDlgs, Spin;

type
  TForm1 = class(TForm)
    ListBox1: TListBox;
    Label1: TLabel;
    Edit1: TEdit;
    Label2: TLabel;
    Panel1: TPanel;
    TreeView1: TTreeView;
    ProgressBar1: TProgressBar;
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure TreeView1Change(Sender: TObject; Node: TTreeNode);
    procedure Button2Click(Sender: TObject);
  private
    function AddClass (NewClass: TClass): TTreeNode;
    function GetNode (BaseClass: TClass): TTreeNode;
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

type
  TClassArray = array [1..498] of TClass;

const
  ClassArray: TClassArray = (
EAbort,
EAccessViolation,
EAssertionFailed,
EBitsError,
EClassNotFound,
EComponentError,
EControlC,
EConvertError,
EDatabaseError,
EDateTimeError,
EDBClient,
EDBEditError,
EDBEngineError,
EDivByZero,
EExternalException,
EFCreateError,
EFilerError,
EFOpenError,
EIBError,
EInOutError,
EIntError,
EIntfCastError,
EIntOverflow,
EInvalidArgument,
EInvalidCast,
EInvalidContainer,
EInvalidGraphic,
EInvalidGraphicOperation,
EInvalidGridOperation,
EInvalidImage,
EInvalidInsert,
EInvalidOp,
EInvalidOperation,
EInvalidPointer,
EListError,
EMathError,
EMCIDeviceError,
EMenuError,
EMethodNotFound,
ENoResultSet,
EOleCtrlError,
EOleError,
EOleException,
EOleException,
EOleSysError,
EOutlineError,
EOutOfMemory,
EOutOfResources,
EOverflow,
EPackageError,
EParserError,
EPrinter,
EPrivilege,
EPropertyError,
EPropReadOnly,
EPropWriteOnly,
ERangeError,
EReadError,
EReconcileError,
ERegistryException,
EResNotFound,
ESocketError,
EStackOverflow,
EStreamError,
EStringListError,
EThread,
ETreeViewError,
EUnderflow,
EUpdateError,
EVariantError,
EWin32Error,
EWriteError,
Exception,
EZeroDivide,
OutlineError,
TActiveForm,
TActiveFormControl,
TActiveFormFactory,
TActiveXControl,
TActiveXControlFactory,
TActiveXPropertyPage,
TActiveXPropertyPageFactory,
TAdapterNotifier,
TAggregatedObject,
TAnimate,
TApplication,
TAutoIncField,
TAutoIntfObject,
TAutoObject,
TAutoObjectFactory,
TBatchMove,
TBCDField,
TBDECallback,
TBDEDataSet,
TBevel,
TBinaryField,
TBitBtn,
TBitmap,
TBitmapImage,
TBits,
TBlobField,
TBlobStream,
TBookmarkList,
TBooleanField,
TBoolProperty,
TBrush,
TButton,
TButtonControl,
TBytesField,
TCalendar,
TCanvas,
TCaptionProperty,
TCGIApplication,
TCGIRequest,
TCGIResponse,
TChangeLink,
TCharProperty,
TCheckBox,
TCheckConstraint,
TCheckConstraints,
TCheckListBox,
TClassProperty,
TClientDataSet,
TClientSocket,
TClientWinSocket,
TClipboard,
TCollection,
TCollectionItem,
TColorDialog,
TColorGrid,
TColorProperty,
TColumn,
TColumnTitle,
TComboBox,
TComboButton,
TComClassManager,
TCommonDialog,
TCommonDialog,
TComObject,
TComObjectFactory,
TComponent,
TComponentEditor,
TComponentList,
TComponentNameProperty,
TComponentProperty,
TComServer,
TComServerObject,
TComServerObject,
TConnectionPoint,
TConnectionPoints,
TContainedObject,
TControl,
TControlCanvas,
TControlScrollBar,
TConversion,
TCoolBand,
TCoolBands,
TCoolBar,
TCriticalSection,
TCurrencyField,
TCursorProperty,
TCustomAdapter,
TCustomAdapter,
TCustomCheckBox,
TCustomComboBox,
TCustomControl,
TCustomDBGrid,
TCustomEdit,
TCustomForm,
TCustomGrid,
TCustomGroupBox,
TCustomHotKey,
TCustomImageList,
TCustomLabel,
TCustomListBox,
TCustomListView,
TCustomMaskEdit,
TCustomMemo,
TCustomMemoryStream,
TCustomModule,
TCustomOutline,
TCustomPageProducer,
TCustomPanel,
TCustomProvider,
TCustomRadioGroup,
TCustomRemoteServer,
TCustomRemoteServer,
TCustomRichEdit,
TCustomServerSocket,
TCustomSocket,
TCustomStaticText,
TCustomTabControl,
TCustomTreeView,
TCustomUpDown,
TCustomWebDispatcher,
TCustomWinSocket,
TDatabase,
TDataLink,
TDataModule,
TDataSet,
TDataSetDesigner,
TDataSetTableProducer,
TDataSetUpdateObject,
TDataSetUpdateObject,
TDataSource,
TDataSourceLink,
TDateField,
TDateProperty,
TDateTimeColors,
TDateTimeField,
TDateTimePicker,
TDBCheckBox,
TDBComboBox,
TDBCtrlGrid,
TDBCtrlGridLink,
TDBCtrlPanel,
TDBDataSet,
TDBEdit,
TDBError,
TDBGrid,
TDBGridColumns,
TDBImage,
TDBListBox,
TDBLookupCombo,
TDBLookupComboBox,
TDBLookupControl,
TDBLookupList,
TDBLookupListBox,
TDBMemo,
TDBNavigator,
TDBRadioGroup,
TDBRichEdit,
TDBText,
TDdeClientConv,
TDdeClientItem,
TDdeMgr,
TDdeServerConv,
TDdeServerItem,
TDefaultEditor,
TDesigner,
TDirectoryListBox,
TDirectoryOutline,
TDragControlObject,
TDragObject,
TDrawGrid,
TDriveComboBox,
TDSTableProducer,
TDSTableProducerEditor,
TEdit,
TEnumPropDesc,
TEnumProperty,
TEvent,
TEventDispatch,
TField,
TFieldDataLink,
TFieldDef,
TFieldDefs,
TFileListBox,
TFiler,
TFileStream,
TFilterComboBox,
TFindDialog,
TFloatField,
TFloatProperty,
TFont,
TFontAdapter,
TFontCharsetProperty,
TFontDialog,
TFontNameProperty,
TFontProperty,
TForm,
TFormDesigner,
TGauge,
TGraphic,
TGraphicControl,
TGraphicField,
TGraphicsObject,
TGridDataLink,
TGroupBox,
THandleObject,
THandleStream,
THeader,
THeaderControl,
THeaderSection,
THeaderSections,
THintWindow,
THotKey,
THTMLTableAttributes,
THTMLTableCellAttributes,
THTMLTableColumn,
THTMLTableColumns,
THTMLTableElementAttributes,
THTMLTableHeaderAttributes,
THTMLTableRowAttributes,
THTMLTagAttributes,
THTTPDataLink,
TIBComponent,
TIBEventAlerter,
TIComponentInterface,
TIcon,
TIconImage,
TIconOptions,
TIEditorInterface,
TIEditReader,
TIEditView,
TIEditWriter,
TIExpert,
TIFileStream,
TIFormInterface,
TImage,
TImageList,
TIMainMenuIntf,
TIMemoryStream,
TImeNameProperty,
TIMenuItemIntf,
TIModuleCreator,
TIModuleInterface,
TIModuleNotifier,
TIndexDef,
TIndexDefs,
TIndexFiles,
TIniFile,
TInplaceEdit,
TIntegerField,
TIntegerProperty,
TInterface,
TInterfacedObject,
TIProjectCreator,
TIResourceEntry,
TIResourceFile,
TISAPIApplication,
TISAPIRequest,
TISAPIResponse,
TIStream,
TIStreamAdapter,
TIToolServices,
TIVCLStreamAdapter,
TLabel,
TList,
TListBox,
TListColumn,
TListColumns,
TListColumns,
TListItem,
TListItems,
TListSourceLink,
TListView,
TLoginDialog,
TLookupList,
TMainMenu,
TMask,
TMaskEdit,
TMediaPlayer,
TMemo,
TMemoField,
TMemoryStream,
TMenu,
TMenuItem,
TMetafile,
TMetafileCanvas,
TMetafileImage,
TMethodProperty,
TModalResultProperty,
TMPFilenameProperty,
TNavButton,
TNavButton,
TNavDataLink,
TNotebook,
TNumericField,
TObject,
TOleContainer,
TOleControl,
TOleForm,
TOleGraphic,
TOleStream,
TOpenDialog,
TOpenPictureDialog,
TOrdinalProperty,
TOutline,
TOutlineNode,
TPage,
TPageControl,
TPageProducer,
TPaintBox,
TPaintControl,
TPanel,
TParaAttributes,
TParam,
TParamList,
TParams,
TParser,
TPen,
TPersistent,
TPicture,
TPictureAdapter,
TPopupDataList,
TPopupGrid,
TPopupMenu,
TPrintDialog,
TPrinter,
TPrinterSetupDialog,
TProgressBar,
TPropertyEditor,
TPropertyPage,
TProvider,
TProviderObject,
TQuery,
TQueryTableProducer,
TRadioButton,
TRadioGroup,
TReader,
TRegIniFile,
TRegistry,
TRemoteServer,
TReplaceDialog,
TResourceStream,
TRichEdit,
TSaveDialog,
TSavePictureDialog,
TScreen,
TScrollBox,
TScroller,
TScrollingWinControl,
TServerAcceptThread,
TServerClientThread,
TServerClientWinSocket,
TServerSocket,
TServerWinSocket,
dbtables.TSession,
TSessionList,
TSetElementProperty,
TSetProperty,
TShape,
TSharedImage,
TShortCutProperty,
TSimpleEvent,
TSmallintField,
TSpeedButton,
TSpinButton,
TSpinEdit,
TSplitter,
TStaticText,
TStatusBar,
TStatusBar,
TStatusPanel,
TStatusPanels,
TStoredProc,
TStream,
TStringField,
TStringGrid,
TStringGrid,
TStringGridStrings,
TStringList,
TStringProperty,
TStrings,
TStringsAdapter,
TStringStream,
TSynchroObject,
TTabbedNotebook,
TTabControl,
TTable,
TTabList,
TTabOrderProperty,
TTabPage,
TTabSet,
TTabSheet,
TTextAttributes,
TThread,
TThreadList,
TTimeField,
TTimeProperty,
TTimer,
TTimerSpeedButton,
TToolBar,
TToolButton,
TTrackBar,
TTreeNode,
TTreeNodes,
TTreeView,
TTypedComObject,
TTypedComObjectFactory,
TUpdateSQL,
TUpDown,
TVarBytesField,
TVirtualStream,
TWebActionItem,
TWebActionItems,
TWebApplication,
TWebDispatcher,
TWebModule,
TWebRequest,
TWebResponse,
TWinCGIRequest,
TWinCGIResponse,
TWinControl,
TWinSocketStream,
TWordField,
TWriter
);

function TForm1.AddClass (NewClass: TClass): TTreeNode;
var
  ParentNode: TTreeNode;
begin
  // if the class is not there...
  Result := GetNode (NewClass);
  if Result = nil then
  begin
    // look for the parent (eventually adding it)
    ParentNode := AddClass (NewClass.ClassParent);
    // add the new class
    Result := TreeView1.Items.AddChildObject (
      ParentNode,
      NewClass.ClassName,
      Pointer (NewClass));
  end;
end;

function TForm1.GetNode (BaseClass: TClass): TTreeNode;
var
  Node1: TTreeNode;
begin
  Result := nil; // not found
  // find the node in the tree
  Node1 := TreeView1.Items.GetFirstNode;
  while Node1 <> nil do
  begin
    if Node1.Text = BaseClass.ClassName then
    begin
      Result := Node1;
      Exit;
    end;
    Node1 := Node1.GetNext;
    Forms.Application.ProcessMessages;
  end;
(* slower loop...
  for I := 0 to TreeView1.Items.Count - 1 do
  begin
    if TreeView1.Items [I].Text = BaseClass.ClassName then
    begin
      Result := TreeView1.Items [I];
      Exit;
    end;
    Application.ProcessMessages;
  end;*)
end;

procedure TForm1.Button1Click(Sender: TObject);
var
  I: Integer;
begin
  // don't restart this loop
  Button1.Enabled := False;
  // add the root class
  TreeView1.Items.AddObject (nil, 'TObject',
    Pointer (TObject));
  // add each class to the tree
  ProgressBar1.Min := Low (ClassArray);
  ProgressBar1.Max := High (ClassArray);
  for I := Low (ClassArray) to High (ClassArray) do
  begin
    AddClass (ClassArray [I]);
    ProgressBar1.Position := I;
  end;
  Beep;
  ShowMessage ('Tree Completed');
  Button2.Enabled := True;
  Button1.Enabled := False;
end;

procedure TForm1.TreeView1Change (
  Sender: TObject; Node: TTreeNode);
var
  MyClass: TClass;
begin
  MyClass := TClass (Node.Data);
  Edit1.Text := Format ('Name: %s - Size: %d bytes',
    [MyClass.ClassName, MyClass.InstanceSize]);
  with Listbox1.Items do
  begin
    Clear;
    while MyClass.ClassParent <> nil do
    begin
      MyClass := MyClass.ClassParent;
      Add (MyClass.ClassName);
    end; // while
  end; // with
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
  Screen.Cursor := crHourglass;
  TreeView1.SortType := stText;
  Screen.Cursor := crDefault;
  Button2.Enabled := False;
end;

end.

Загрузить весь проект

Проект Delphi World © Выпуск 2002 - 2024
Автор проекта: USU Software
Вы можете выкупить этот проект.