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Monday, August 20, 2007

 

TWOLMemo

TWOLMemo object
Unit: WOLGUI21.
A WOL object that is a basic memo entry box. Descendant of TWOLVisualControl.

Public Methods and Events:

function GetSelLength: Integer;
function that returns the length of the text currently selected.

function GetSelStart: Integer;
function that returns the beginning of the text currently selected.

function GetSelEnd: Integer;
function that returns the end from the text currently selected.

function GetSelText: String;
function that returns selected text.

procedure SetSelLength (Value: Integer);
method used to set the length of the text to be selected.

procedure SetSelStart (Value: Integer);
method used to point the beginning of the text to be selected.

procedure Clear;
method used erase all the text from the memo.

procedure ClearSelection;
Method used to erase the selected text.

procedure CopyToClipboard;
Method used to copy selected text to the clipboard

procedure CutToClipboard;
Method used to cut the selected text in the memo and place it in the clipboard.

procedure PasteFromClipboard;
Method used to get text from the clipboard and place it in the text area of the memo.

procedure SelectAll;
method used to all select the text of the memorandum.

procedure LoadFromFile (const FileName: String);
Method used to load text from a file. To save the text it uses tstrings

constructor Create (AOwner: TWOLRoot); override;
destructor Destroy; override;
procedure CreateGUIParams (to var aParams: TWOLParams; const wClass: TWOLClassType); override;
procedure CreateWnd (to var aParams: TWOLParams); override;
procedure RecreateWnd; override;
procedure AllocResources; override;
procedure FreeResources; override;
function WndPaint (to var Message: TWOLMessage): Boolean; override;
function WndKeyboard (to var Message: TWOLMessage): Boolean; override;
function WndCommand (to var Message: TWOLMessage): Boolean; override;
function WndProc (to var Message: TWOLMessage): Boolean; override;

Public properties and Events:

WantReturn: Boolean (For Reading and Writing)
Property that allows the use of ENTER for the carriage return,.

WantTabs: Boolean (For Reading and Writing)
Property that allows tTAB use inside the text area.

ScrollBars: TWOLScrollBarSet (For Reading and Writing)
Property that indicates the use scroll bars in the memo.

Lines: TStrings (For Reading and Writing)
Property that represents the lines of text one to one.

WordWrap: Boolean (For Reading and Writing)
Property that allows a line to go to the next line if it won't fit.

CharCase: TWOLEditCharSet (For Reading and Writing)
Property that allow the character set to be edited.

HideSelection: Boolean (For Reading and Writing)
Property that allows selected text to be hiden.

MaxLength: Integer (For Reading and Writing)
Property that indicates the maximum length of the text of the memo in characters.

OEMConvert: Boolean (For Reading and Writing)
Property that allows the conversion of the text based on the operating system. Not yet implemented.

OnClick
OnMouseMove
OnDblClick
TextAlign
WindowAlign
Border
Ctrl3D
Left
Top
Width
Height
Color
Font
Cursor
Visible
Enabled
Hint
Tabstop
Taborder

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