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TMaskEdit class

In unit MaskEdit

TMaskEdit is an Edit box with characters masked out to avoid unauthorized reading.

Declaration

pascal
TMaskEdit = class(TCustomMaskEdit)

Inheritance

  1. TMaskEdit
  2. TCustomMaskEdit
  3. TCustomEdit
  4. TWinControl
  5. TControl
  6. TLCLComponent
  7. TComponent
  8. TPersistent
  9. TObject

Description

TMaskEdit is used to display an Edit Box with the input text masked by a selected character specified by PasswordChar, usually an asterisk, or by EditMask (a complete string), specified in TCustomMaskEdit.

Useful for inputting passwords or capturing input using a specific format and validation.

See also

Properties

IsMaskedpublicTrue if a non-empty value has been assigned to EditMask.
EditTextpublicValue entered in the control and obscured / formatted using the EditMask.
AlignpublishedSpecifies the placement of the control on its Parent control.
AlignmentpublishedThe horizontal alignment for the text in the control (left, right, or centered).
AnchorspublishedThe set of anchor definitions for this control.
AutoSelectpublishedEnables auto-selection of text when focused.
AutoSizepublishedAllows automatic adjustment of the size for the control, according to its content.
BiDiModepublishedIndicates whether text controls use in bi-directional reading.
BorderSpacingpublishedDetermines the inner and outer border spacing for this control.
BorderStylepublishedIndicates the line style drawn as a border around the control.
CharCasepublishedDetermines the case for the text in the masked edit control.
ColorpublishedThe background color for the control.
ConstraintspublishedContains the minimum and maximum Width and Height for the control.
DragCursorpublishedThe cursor shape shown during a drag operation.
DragKindpublishedIndicates the action performed for a drag operation: drag-and-drop or drag-and-dock.
DragModepublishedDetermines how a drag operation is started for the control.
EnabledpublishedDetermines whether the control responds to mouse or keyboard input.
EnableSetspublishedEnables or disables use of set notation in the EditMask.
FontpublishedThe font to be used for text display in this control.
MaxLengthpublishedIndicates the maximum number of characters that can be stored in the value for the control.
ParentBiDiModepublishedIndicates whether the BiDiMode settings in the Parent control are used.
ParentColorpublishedUses the Color from the Parent control, when enabled.
ParentFontpublishedIndicates if the Font from the Parent control is used in the control.
ParentShowHintpublishedIf True, the value of ShowHint for the control will be the same as the one from the Parent. Default is True.
PopupMenupublishedA context-sensitive menu that pops up when the right mouse button is clicked over this control.
ReadOnlypublishedIndicates if the user is prevented from changing the value for the Text in the control.
ShowHintpublishedFlag to determine if the hint is displayed for this control.
TabOrderpublishedKeyboard navigation order for the control when Tab is pressed.
TabStoppublishedEnables or disables keyboard navigation using the Tab key.
ValidationErrorModepublishedIndicates the action taken when the control value is invalid for its mask.
VisiblepublishedIndicates if the control is visible or hidden.
EditMaskpublishedContains the mask characters classes and literals used to format/obscure the value for the control.
TextpublishedContains the value for the control.
TextHintpublishedDefault hint text shown when the Text property is empty for the control.
SpaceCharpublishedContains the value used to represent Space (#32) characters in the control value.

Events

OnChangepublishedEvent handler signalled when the text for the control is changed.
OnClickpublishedNotification handler for mouse clicks.
OnDblClickpublishedEvent handler signalled when a mouse double click occurs in the control.
OnDragDroppublishedEvent handler signalled when an object is dropped onto the control.
OnDragOverpublishedEvent handler signalled when a control is dragged over the control instance.
OnEditingDonepublishedEvent handler signalled when editing is completed for the control.
OnEndDockpublishedEvent handler signalled for the end of a drag-dock operation.
OnEndDragpublishedEvent handler signalled for the end of a drag-drop operation.
OnEnterpublishedEvent handler signalled when the control receives focus.
OnExitpublishedEvent handler signalled when the control loses focus.
OnKeyDownpublishedHandles a key down event for the focused control.
OnKeyPresspublishedHandles a key press event for the focused control.
OnKeyUppublishedHandles a key up event for the focused control.
OnMouseDownpublishedEvent handler signalled when a mouse down event is handled for the control.
OnMouseEnterpublishedEvent handler signalled when the mouse pointer has entered the control.
OnMouseLeavepublishedEvent handler signalled when the mouse pointer has left the control.
OnMouseMovepublishedEvent handler signalled when the mouse pointer is moved in the control.
OnMouseUppublishedEvent handler signalled when a mouse up event is handled for the control.
OnMouseWheelpublishedEvent handler for mouse wheel turned.
OnMouseWheelDownpublishedEvent handler signalled for a downward movement of the mouse wheel.
OnMouseWheelUppublishedEvent handler signalled for an upward movement of the mouse wheel.
OnStartDockpublishedEvent handler for the start of a docking operation.
OnStartDragpublishedEvent handler signalled for the start of a dragging operation.
OnValidationErrorpublishedEvent handler signalled when the value for the masked edit control is invalid.
OnUTF8KeyPresspublishedHandler for a character entered by the user.

Inherited

From TCustomMaskEdit (42)

ApplyMaskToText CanShowEmulatedTextHint Change CheckCursor Clear Create CutToClipBoard DisableMask DoEnter DoExit DoValidationError EditCanModify GetEditText GetMaxLength GetSel GetTextWithoutMask GetTextWithoutSpaceChar HandleKeyPress KeyDown KeyPress LMClearSel LMCutToClip LMPasteFromClip Loaded Modified MouseUp PasteFromClipBoard RealGetText RealSetText Reset RestoreMask SelectAll SetCharCase SetEditText SetMaxLength SetNumbersOnly SetSel SetTextApplyMask TextChanged Utf8KeyPress ValidateEdit WSRegisterClass

From TCustomEdit (48)

AddHandlerOnChange AutoSelected CalculatePreferredSize CanUndo CaretPos ChildClassAllowed ClearSelection CMWantSpecialKey CopyToClipboard CreateParams Destroy EchoMode EditingDone EmulatedTextHintStatus FontChanged GetCaretPos GetControlClassDefaultSize GetNumbersOnly GetReadOnly GetSelLength GetSelStart GetSelText GetTextHint HideSelection InitializeWnd KeyUpAfterInterface Layout NumbersOnly Options PasswordChar RemoveAllHandlersOfObject RemoveHandlerOnChange SelLength SelStart SelText SetCaretPos SetEchoMode SetReadOnly SetSelLength SetSelStart SetSelText SetTextHint ShouldAutoAdjust Undo WMChar WMKillFocus WMSetFocus WndProc

From TWinControl (216)

AddControl AdjustClientRect AlignControls AllAutoSized AutoAdjustLayout AutoSizeDelayed AutoSizeDelayedHandle AutoSizeDelayedReport AutoSizePhases BeginUpdateBounds BorderWidth BoundsLockCount BroadCast Brush BrushCreated CachedClientHeight CachedClientWidth CanFocus CanSetFocus CanTab ChangeScale ChildHandlesCreated ChildKey ChildSizing ClientRectNeedsInterfaceUpdate CMBiDiModeChanged CMBorderChanged CMDoubleBufferedChanged CMEnabledChanged CMEnter CMExit CMParentDoubleBufferedChanged CMShowHintChanged CMShowingChanged CMVisibleChanged CNChar CNKeyDown CNKeyUp CNSysKeyDown CNSysKeyUp ContainsControl ControlAtPos ControlCount ControlKeyDown ControlKeyUp Controls ControlsAligned CreateBrush CreateDockManager CreateHandle CreateParented CreateParentedControl CreateSubClass CreateWnd CustomAlignInsertBefore CustomAlignPosition DefaultHandler DefWndProc DesignerDeleting DestroyHandle DestroyWnd DialogChar DisableAlign DoAddDockClient DoAdjustClientRectChange DoAlignChildControls DoAllAutoSize DoAutoSize DoChildSizingChange DockClientCount DockClients DockDrop DockManager DockOver DockSite DoConstraintsChange DoDockClientMsg DoDockOver DoDragMsg DoFlipChildren DoFloatMsg DoGetDockCaption DoKeyDownBeforeInterface DoKeyPress DoKeyUpBeforeInterface DoRemainingKeyDown DoRemainingKeyUp DoRemoveDockClient DoSendBoundsToInterface DoSendShowHideToInterface DoSetBounds DoubleBuffered DoUnDock DoUndockClientMsg DoUTF8KeyPress EnableAlign EndUpdateBounds EraseBackground FinalizeWnd FindChildControl FindNextControl FixDesignFontsPPIWithChildren FixupTabList FlipChildren Focused FormEndUpdated GetAdjustedLogicalClientRect GetBorderStyle GetChildren GetChildrenRect GetClientOrigin GetClientRect GetControlIndex GetControlOrigin GetDeviceContext GetDockCaption GetEnumeratorControls GetEnumeratorControlsReverse GetMouseCapture GetParentHandle GetPreferredSizeClientFrame GetSiteInfo GetTabOrderList GetTextLen GetTopParentHandle Handle HandleAllocated HandleNeeded InsertControl IntfGetDropFilesTarget IntfUTF8KeyPress Invalidate InvalidateBoundsRealized InvalidateClientRectCache InvalidatePreferredChildSizes IsClientHeightStored IsClientWidthStored IsControlMouseMsg IsFlipped IsResizing IsSpecialSubControl KeyDownAfterInterface KeyDownBeforeInterface KeyUp KeyUpBeforeInterface LockRealizeBounds MainWndProc NotifyControls OnAlignInsertBefore OnAlignPosition OnDockDrop OnDockOver OnGetDockCaption OnGetSiteInfo OnUnDock PaintControls PaintHandler PaintTo PaintWindow ParentDoubleBuffered ParentFormHandleInitialized ParentHandlesAllocated ParentWindow PerformTab ReAlign RealizeBounds RealizeBoundsRecursive ReloadDockedControl RemoveControl RemoveFocus Repaint ScaleBy ScaleControls ScrollBy ScrollBy_WS SelectFirst SelectNext SendDialogChar SendMoveSizeMessages SetBorderStyle SetBounds SetChildZPosition SetColor SetControlIndex SetDockManager SetFocus SetShape SetTempCursor ShowControl Showing UnlockRealizeBounds Update UpdateControlState UpdateDockCaption UpdateShowing UseDockManager VisibleDockClientCount WindowHandle WMContextMenu WMDestroy WMEnter WMEraseBkgnd WMExit WMKeyDown WMKeyUp WMMove WMNotify WMPaint WMShowWindow WMSize WMSysChar WMSysKeyDown WMSysKeyUp WMWindowPosChanged WriteLayoutDebugReport WSSetText

From TControl (324)

AccessibleDescription AccessibleName AccessibleRole AccessibleValue Action ActionChange ActionLink ActiveDefaultControlChanged AddHandler AddHandlerOnBeforeDestruction AddHandlerOnChangeBounds AddHandlerOnEnabledChanged AddHandlerOnEnabledChanging AddHandlerOnKeyDown AddHandlerOnMouseWheel AddHandlerOnResize AddHandlerOnVisibleChanged AddHandlerOnVisibleChanging AdjustSize AnchorAsAlign AnchorClient AnchoredControlCount AnchoredControls AnchorHorizontalCenterTo AnchorParallel AnchorSame AnchorSide AnchorSideBottom AnchorSideChanged AnchorSideLeft AnchorSideRight AnchorSideTop AnchorToCompanion AnchorToNeighbour AnchorVerticalCenterTo AssignTo AutoSizing AutoSizingAll AutoSizingLockCount BaseBounds BaseParentClientSize BeforeDestruction BeforeDragStart BeginAutoDrag BeginAutoSizing BeginDrag BoundsChanged BoundsRect BoundsRectForNewParent BringToFront CalculateDockSizes CanAutoSize Caption CaptureChanged CaptureMouseButtons ChangeBounds Changed CheckChildClassAllowed CheckNewParent CheckOnChangeBounds Click ClientHeight ClientOrigin ClientRect ClientToParent ClientToScreen ClientWidth CMChanged CMCursorChanged CMHintShow CMHitTest CMMouseEnter CMMouseLeave CMParentBiDiModeChanged CMParentColorChanged CMParentFontChanged CMParentShowHintChanged CMSysFontChanged CMTextChanged CNPreferredSizeChanged ColorIsStored ConstrainedResize ControlFontClass ControlOrigin ControlState ControlStyle ControlToScreen CreateAccessibleObject CreateControlBorderSpacing CreateFloatingDockSite Cursor DblClick DefineProperties DesktopFont DisableAutoSizing DoAutoAdjustLayout DoBorderSpacingChange DoCallKeyEventHandler DoCallMouseWheelEventHandler DoCallNotifyHandler Dock Docked DockOrientation DockTrackNoTarget DoContextPopup DoDock DoEndDock DoEndDrag DoFixDesignFontPPI DoMouseDown DoMouseUp DoMouseWheel DoMouseWheelDown DoMouseWheelHorz DoMouseWheelLeft DoMouseWheelRight DoMouseWheelUp DoOnChangeBounds DoOnParentHandleDestruction DoOnResize DoOnShowHint DoScaleFontPPI DoStartDock DoStartDrag DragCanceled DragDrop Dragging DragOver EnableAutoSizing EnabledChanged EnabledChanging EndAutoSizing EndDrag ExecuteCancelAction ExecuteDefaultAction FindSubComponent FixDesignFontsPPI Floating FloatingDockSiteClass ForeignAnchorSideChanged FormIsUpdating GetAccessibleObject GetAction GetActionLinkClass GetAnchorsDependingOnParent GetCachedText GetCanvasScaleFactor GetChildAccessibleObjectAtPos GetClientScrollOffset GetColorResolvingParent GetCursor GetDefaultColor GetDefaultDockCaption GetDefaultHeight GetDefaultWidth GetDockEdge GetDragImages GetEnabled GetFloating GetFloatingDockSiteClass GetLogicalClientRect GetMousePosFromMessage GetPalette GetParentBackground GetParentComponent GetPopupMenu GetPreferredSize GetRGBColorResolvingParent GetScrolledClientRect GetSelectedChildAccessibleObject GetSidePosition GetTextBuf GetTopParent HandleObjectShouldBeVisible HasHelp HasParent Height HeightIsAnchored HelpContext HelpKeyword HelpType Hide Hint HostDockSite InitiateAction InvalidateControl InvalidatePreferredSize IsAParentAligning IsBorderSpacingInnerBorderStored IsCaptionStored IsControl IsControlVisible IsEnabled IsParentColor IsParentFont IsParentOf IsProcessingPaintMsg IsRightToLeft IsVisible Left LMCaptureChanged LoadedAll LRDockWidth ManualDock ManualFloat MouseCapture MouseDown MouseEnter MouseInClient MouseLeave MouseMove Notification OnChangeBounds OnConstrainedResize OnContextPopup OnMouseWheelHorz OnMouseWheelLeft OnMouseWheelRight OnQuadClick OnResize OnShowHint OnTripleClick Parent ParentBackground ParentDestroyingHandle ParentFontChanged ParentToClient Perform PositionDockRect QuadClick ReadBounds ReadState Refresh RemoveHandler RemoveHandlerOnBeforeDestruction RemoveHandlerOnChangeBounds RemoveHandlerOnEnabledChanged RemoveHandlerOnEnabledChanging RemoveHandlerOnKeyDown RemoveHandlerOnMouseWheel RemoveHandlerOnResize RemoveHandlerOnVisibleChanged RemoveHandlerOnVisibleChanging ReplaceDockedControl RequestAlign Resize Scale96ToFont Scale96ToForm Scale96ToScreen ScaleConstraints ScaleDesignToForm ScaleFontsPPI ScaleFontTo96 ScaleFontToScreen ScaleFormTo96 ScaleFormToDesign ScaleScreenTo96 ScaleScreenToFont ScreenToClient ScreenToControl SendToBack SessionProperties SetAction SetAlign SetAnchors SetAutoSize SetBiDiMode SetBoundsKeepBase SetCursor SetDragMode SetEnabled SetHint SetInitialBounds SetName SetParent SetParentBackground SetParentBiDiMode SetParentComponent SetTextBuf SetVisible SetZOrder Show ShowHelp TBDockHeight Top TripleClick UndockHeight UndockWidth UpdateAnchorRules UpdateBaseBounds UpdateMouseCursor UpdateRolesForForm UseRightToLeftAlignment UseRightToLeftReading UseRightToLeftScrollBar VisibleChanged VisibleChanging Width WidthIsAnchored WindowProc WMCancelMode WMLButtonDBLCLK WMLButtonDown WMLButtonQuadCLK WMLButtonTripleCLK WMLButtonUp WMMButtonDBLCLK WMMButtonDown WMMButtonQuadCLK WMMButtonTripleCLK WMMButtonUp WMMouseHWheel WMMouseMove WMMouseWheel WMRButtonDBLCLK WMRButtonDown WMRButtonQuadCLK WMRButtonTripleCLK WMRButtonUp WMXButtonDBLCLK WMXButtonDown WMXButtonQuadCLK WMXButtonTripleCLK WMXButtonUp

From TLCLComponent (6)

DecLCLRefCount GetWSComponentClass IncLCLRefCount LCLRefCount NewInstance WidgetSetClass

From TComponent (64)

_AddRef _Release CanObserve ChangeName ComObject ComponentCount ComponentIndex Components ComponentState ComponentStyle DesignInfo DestroyComponents Destroying ExecuteAction FindComponent FreeNotification FreeOnRelease GetChildOwner GetChildParent GetDeltaStreams GetEnumerator GetIDsOfNames GetNamePath GetObservers GetOwner GetTypeInfo GetTypeInfoCount iicrGetComponent InsertComponent Invoke IsImplementorOf Loading Name ObserverAdded Observers OnGetDeltaStreams Owner PaletteCreated QueryInterface ReadDeltaState ReadDeltaStream ReferenceInterface RemoveComponent RemoveFreeNotification RemoveFreeNotifications SafeCallException SetAncestor SetChildOrder SetDesigning SetDesignInstance SetInline SetSubComponent Tag ToString TToStringNameMode UpdateAction Updated UpdateRegistry Updating ValidateContainer ValidateInsert ValidateRename VCLComObject WriteState

From TPersistent (4)

Assign FPOAttachObserver FPODetachObserver FPONotifyObservers

From TObject (35)

AfterConstruction CheckDisposed ClassInfo ClassName ClassNameIs ClassParent ClassType CleanupInstance DefaultHandlerStr Dispatch DispatchStr Disposed DisposeOf Equals FieldAddress Free FreeInstance GetDisposed GetHashCode GetInterface GetInterfaceByStr GetInterfaceEntry GetInterfaceEntryByStr GetInterfaceTable GetInterfaceWeak GetLastCastErrorInfo InheritsFrom InitInstance InstanceSize MethodAddress MethodName QualifiedClassName StringMessageTable SystemHasExtendedRTTI UnitName

An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.