CustomComboBox¶
Qualified name: delphifmx.CustomComboBox
- class CustomComboBox¶
Bases:
StyledControlA TCustomComboBox is the base class for combo box components. Inherit from TCustomComboBox to create a control that represents a specialized combo box.
Methods
TStyledControl.ApplyStyleLookup() Gets and applies the style of a TStyledControl.
Deletes all the items from the Items list.
Opens the list of items.
TStyledControl.Inflate() Call this procedure to get and apply its style lookup.
TStyledControl.NeedStyleLookup() Call this procedure to indicate that this control requires to get and apply its style lookup.
TCustomComboBox.SetNewScene(AScene: IScene) -> None Sets a new Scene for the current control.
TCustomComboBox.Sort(Compare: FmxObjectSortCompare) -> None Sorts the children in the children list using the specified sorting procedure.
Attributes
AbsoluteClipRectSpecifies the absolute rectangle of the control after all its parent controls clip it.
AbsoluteEnabledSpecifies whether the control is absolutely enabled.
AbsoluteHeightSpecifies the absolute height of the control.
AbsoluteMatrixSpecifies the absolute transformation matrix of the control.
AbsoluteOpacitySpecifies the absolute opacity of the control.
AbsoluteRectSpecifies the absolute rectangle that bounds the control.
AbsoluteScaleSpecifies the absolute scale of the control.
AbsoluteWidthSpecifies the absolute width of the control.
ActionClientSpecifies whether the component object has an associated action.
Updates the width and height of this control according to its current style
Determines if and how the width and height of this control should be modified to take the fixed space dictated by the style of this control
AlignSpecifies the alignment options (top, left, client, and so on) of this control.
AnchorsSpecifies how the control is anchored to its parent.
ApplyingEffectA flag that signals when a control is in the process of applying an effect.
AutoCaptureSpecifies whether the control captures mouse events.
Specifies whether the control's text should be translated
AxisAlignedRectA TRectF defined by the width and height of the control.
BoundsRectSpecifies the bounding rectangle of the control.
CanParentFocusSpecifies whether the parent of this control should be evaluated to receive focus.
CanvasProvides the drawing surface of the control.
ChildrenStores an array of children attached to this parent component.
ChildrenCountRead-only property that specifies the number of children in the children list.
ChildrenRectSpecifies the bigger rectangle area occupied by parent and children controls.
ClassNameReturns the TObject.ClassName
ClipChildrenSpecifies if children of the control should be clipped to the control's on-screen region.
ClipParentSpecifies whether the current control has clipped its parent.
ClipRectSpecifies the bound rectangle to be clipped.
ComObjectSpecifies the interface reference implemented by the component.
ComponentCountReturns the owned component count
ComponentIndexIndicates the position of the component in its owner's Components property array.
ComponentStateDescribes the current state of the component, indicating when a component needs to avoid certain actions.
ComponentStyleGoverns the behavior of the component.
ComponentsReturns an iterator over the owned components
ControlsReturns an iterator over contained controls
ControlsCountReturns the count of contained controls
Returns the total number of items in the drop-down list associated with the combo box.
CursorImage to use to represent the mouse pointer when it passes into the region covered by the control.
DataStores a Tvalue, which is a data structure that can store different kinds of data types.
DefaultSizeEmbarcadero Technologies does not currently have any additional information.
Returns a string with the name of the default style of this control
DesignInfoContains information used by the Form designer.
DisableDisappearEmbarcadero Technologies does not currently have any additional information.
DisableFocusEffectSpecifies whether the control has the focus effect disabled.
bool:
DragModeSpecifies how the control initiates drag-and-drop operations.
Embarcadero Technologies does not currently have any additional information.
EnableDragHighlightSpecifies whether the control is highlighted when the dragged object is over it.
EnabledSpecifies whether the control responds to mouse, keyboard, and timer events.
FixedSizeEmbarcadero Technologies does not currently have any additional information.
HasAfterPaintEffectSpecifies whether the control has an effect that is applied after the control is painted.
HasClipParentControl that is a direct child of this control and has clipped this control.
HasDisablePaintEffectSpecifies whether the control's effect is painted.
HasEffectSpecifies whether the control has an applied effect.
HeightHeight specifies the vertical size of the control (in dp).
HelpContextContains the numeric context ID that identifies the Help topic for the control.
HelpKeywordContains the keyword string that identifies the Help topic for the control.
HelpTypeSpecifies whether the control's context-sensitive Help topic is identified by a context ID or by keyword.
HintSpecifies the text string that appears when the user moves the mouse over a control.
HitTestEnables the control to capture mouse events.
Defines the reference to a TCustomImageList list of images to be used to draw images on the component.
InPaintToSpecifies whether the control is currently being painted.
IndexSpecifies the index of the child object in the children array attached to this object.
InheritedCursorImage used to represent the mouse pointer when it passes into the region covered by the control.
InvertAbsoluteMatrixSpecifies the inverse matrix of AbsoluteMatrix.
IsDragOverSpecifies whether a dragged object is over the area of the current control.
IsFocusedDetermines whether the control has input focus.
IsInflatedWhether the current style of this control has been actually applied to the control.
IsMouseOverSpecifies whether the mouse cursor is over the control.
Embarcadero Technologies does not currently have any additional information.
IsVisibleSpecifies whether the control is visible.
Specifies the index of the currently selected item.
Specifies the items in the drop-down list.
Gets the drop-down list component of the combo box.
ListBoxItem:
LocalRectSpecifies the local rectangle for painting the control.
LockedSpecifies whether the control is locked at design time.
MarginsAligns the component to the margins points of other components.
NameSpecifies the name of the component as referenced in code.
ObserversIndicates the TObservers object added to the TComponent.
OnGestureCallable[[Object, GestureEventInfo, bool], None]:
OpacitySpecifies the control opacity.
OwnerReturns the Component Owner
PaddingAligns the component to the padding points of other components.
ParentReturns/Sets the Control Visibility
ParentClassStyleLookupNameThe name of the default style of the parent class of this control.
ParentControlSpecifies the parent control of this control.
ParentedRectSpecifies the bounding rectangle of the control within its parent.
ParentedVisibleSpecifies whether all the control's parents are visible.
PopupMenuSpecifies the context (pop-up) menu object.
PositionReturns an access to the position of the control inside its parent
PressedIndicates whether the control is currently pressed.
PressedPositionA point that indicates where exactly on the control the click occured.
RootSpecifies the root parent of this object.
SceneSpecifies the current scene in which the control is drawn.
Gets the item that is currently selected in the combo box.
ShowHintSpecifies whether the Hint can be shown.
SizeSpecifies the vertical and horizontal size (Size.Height and Size.Width) of the control (in pixels).
StoredSpecifies whether this object is stored in the .XFM file.
Specifies the name of the resource object to which the current TStyledControl is linked
StyleNameSpecifies the style name for this FMX component.
This property allows you to define the current state of style
StylesDataValue:
TabOrderIndicates the position of the control in its parent's tab order.
TabStopEmbarcadero Technologies does not currently have any additional information.
TagStores a NativeInt integral value as a part of a component.
TagFloatCustom property that stores any floating-point value.
TagObjectCustom property that stores any object value.
TagStringCustom property that stores any string value.
str:
TouchSpecifies the touch manager component associated with the control.
TouchTargetExpansionSet of optional pixel values you can specify to expand the touch target of a FireMonkey styled control.
UpdateRectSpecifies the rectangle area of the control that needs to be updated.
VCLComObjectRepresents information used internally by components that support COM.
VisibleReturns/Sets the Control Visibility
WidthSpecifies the horizontal size of the control (in pixels).
- AdjustSizeValue¶
Updates the width and height of this control according to its current style
- AdjustType¶
Determines if and how the width and height of this control should be modified to take the fixed space dictated by the style of this control
- ApplyStyleLookup()¶
Gets and applies the style of a TStyledControl.
- AutoTranslate¶
Specifies whether the control’s text should be translated
- Clear()¶
Deletes all the items from the Items list. Call Clear to empty the combo box at run time.
- Count¶
Returns the total number of items in the drop-down list associated with the combo box.
- Type:
int
- DefaultStyleLookupName¶
Returns a string with the name of the default style of this control
- DisableMouseWheel¶
bool:
- DropDown()¶
Opens the list of items. DropDown makes visible the list of items of the combo box.
- DroppedDown¶
Embarcadero Technologies does not currently have any additional information.
- Type:
bool
- Images¶
Defines the reference to a TCustomImageList list of images to be used to draw images on the component. If the TCustomImageList list is empty, then Images is nil/null. Call ImagesChanged when Images is changed.
- Type:
CustomImageList
- Inflate()¶
Call this procedure to get and apply its style lookup.
- IsPressed¶
Embarcadero Technologies does not currently have any additional information.
- Type:
bool
- ItemIndex¶
Specifies the index of the currently selected item. Gets or sets the index of the item that is selected in the combo box. The first item in the list has index 0, the second item has index 1, and so on. If no item is selected, the value of ItemIndex is -1.
- Type:
int
- Items¶
Specifies the items in the drop-down list. Use Items to get or set the list of items in the drop-down as strings. Use the ListItems property to access an item as a TListBoxItem object.
- Type:
- ListBox¶
Gets the drop-down list component of the combo box. The returned object is a TComboListBox.
- Type:
ComboListBox
- ListItems¶
ListBoxItem:
- NeedStyleLookup()¶
Call this procedure to indicate that this control requires to get and apply its style lookup.
- Selected¶
Gets the item that is currently selected in the combo box. Selected returns the selected item in the combo box as a TListBoxItem instance.
- Type:
- SetNewScene(AScene: IScene) None¶
Sets a new Scene for the current control. Sets a new Scene for the current control. FMX.ListBox.TCustomComboBox.SetNewScene inherits from FMX.Controls.TControl.SetNewScene. All content below this line refers to FMX.Controls.TControl.SetNewScene. Sets a new Scene for the current control. AScene specifies the new scene. If AScene is empty, SetNewScene does nothing. SetNewScene sets the same scene for the control’s children.
- Sort(Compare: FmxObjectSortCompare) None¶
Sorts the children in the children list using the specified sorting procedure. FMX.ListBox.TCustomComboBox.Sort inherits from FMX.Types.TFmxObject.Sort. All content below this line refers to FMX.Types.TFmxObject.Sort. Sorts the children in the children list using the specified sorting procedure.
- StyleLookup¶
Specifies the name of the resource object to which the current TStyledControl is linked
- StyleState¶
This property allows you to define the current state of style
- Text¶
str: