TTMSFNCCustomToolBarButton Class

Base class for all toolbar button controls; adds drop-down split button support, layout modes, compact/large state, and options-menu text.

API unit family: TMSFNCToolBar Inherits from: TTMSFNCDefaultToolBarButton

Syntax

TTMSFNCCustomToolBarButton = class(TTMSFNCDefaultToolBarButton)

Name	Description
CanCopy	When `True`, this element can be copied to the compact popup toolbar. Set to `False` to exclude it from the compact view. (inherited from `TTMSFNCCustomToolBarElement`)
ControlIndex	Zero-based index of this control within the toolbar's control list. Set internally during layout; do not change at runtime. (inherited from `TTMSFNCCustomToolBarElement`)
DownState	Programmatic down (pressed) state of the button. Set to `True` to keep the button visually pressed. (inherited from `TTMSFNCDefaultToolBarButton`)
PopupPlacement	Anchor side of the screen where the drop-down popup appears relative to the button. (inherited from `TTMSFNCDefaultToolBarButton`)

Name	Description
CloseDropDown	Closes the drop-down popup if it is open. (inherited from `TTMSFNCDefaultToolBarButton`)
Draw	Renders the button onto the given graphics canvas within the specified rectangle. (inherited from `TTMSFNCDefaultToolBarButton`)
DropDown	Opens the drop-down popup associated with this button. (inherited from `TTMSFNCDefaultToolBarButton`)
GetBitmap	Returns the first bitmap from the `Bitmaps` collection, or `nil` if none is set. (inherited from `TTMSFNCDefaultToolBarButton`)
GetDropDownButtonControl	Returns the companion drop-down button rendered when `DropDownKind` is `ddkDropDownButton`, or `nil` otherwise. Returns the companion drop-down button rendered when `DropDownKind` is `ddkDropDownButton`, or `nil` otherwise.
GetPopupControl	Returns the internal popup control used for drop-down content. (inherited from `TTMSFNCDefaultToolBarButton`)
LoadSettingsFromFile	Loads button settings from a JSON file.
LoadSettingsFromStream	Loads button settings from a stream containing JSON.