TImageEnLayerMView.LayerOptions

Declaration

property LayerOptions: TIELayerMViewOptions;

Description

Set options to control layer behavior:

Value	Description
lvSelection	If included, selecting thumbnails will select the relevant layer in the attached ImageEnView
lvVisibilityButton	Displays a button allowing you to show or hide a layer
lvLockButton	Displays a button allowing you to lock or unlock a layer
lvMaskButton	Displays a button allowing you to set a layer as a mask or remove the mask from a layer. Note: When this option is used, Masks are not shown in the control
lvDragOrdering	If included, thumbnails can be dragged to rearrange the order of layers
lvDragDelete	If included, thumbnails can be dragged outside of the control to remove them (also, by clicking the Delete key). Also see: loPreventLayerDelete
lvHideBlankBackground	If included, Layer 0 (background layer) is not included if its size is less than 1x1

Note:
◼ Use ButtonParams to configure button layout and the OnAddToolbarButtonImage event to customize the styling
◼ Buttons will auto-hide if there is not enough space to show them
◼ To prevent the background layer from being moved or deleted, see loProtectBackground of LayerOptions

Default: [lvSelection, lvVisibilityButton, lvLockButton, lvDragOrdering]

Examples

// Prevent selection of layers by clicking items in this control
IELayerMView1.LayerOptions := IELayerMView1.LayerOptions - [ lvSelection ];

// Don't show a button to make a layer visible/not-visible
IELayerMView1.LayerOptions := IELayerMView1.LayerOptions - [ lvVisibilityButton ];

// Don't show a button to lock/unlock a layer
IELayerMView1.LayerOptions := IELayerMView1.LayerOptions - [ lvLockButton ];

// Disable dragging of thumbnails to rearrange layers
IELayerMView1.LayerOptions := IELayerMView1.LayerOptions - [ lvDragOrdering ];

// Enable dragging of thumbnails to rearrange layers and remove layers
IELayerMView1.LayerOptions := IELayerMView1.LayerOptions + [ lvDragOrdering, lvDragDelete ];

TImageEnLayerMView.LayerOptions