Splitter Item

• Apr 02, 2024
• 2 minutes to read

The splitter item allows you to resize adjacent layout elements.

A parent group‘s layout affects the item’s orientation: groups whose items are arranged horizontally display vertical splitters; otherwise splitters are displayed horizontally.

Create Layout Splitter Item

Double-click the Layout Control to invoke the customization form and follow the steps below:

1. Click the “Add Auxiliary Item” button.

2. Select “Add Splitter Item” in the context menu.

3. Drag the item to the Layout Tree View pane.

The layout splitter’s API:

Visibility	An item’s Visible property.
Position	An item’s Index, VisibleIndex, AlignHorz, AlignVert, AlignmentConstraint, and Offsets properties. A parent group’s LayoutDirection and UseIndent properties.
Appearance	An item’s LayoutLookAndFeel and CaptionOptions properties. A parent group’s LayoutLookAndFeelException property. The layout control’s LayoutLookAndFeel property.
Behavior	An item’s SizeOptions.SizableHorz, SizeOptions.SizableVert, AllowCloseOnClick, AllowRemove, and Enabled properties. An item’s OnCanResize event. A parent group’s Locked property. The layout control’s OptionsItem.SizableHorz and OptionsItem.SizableVert properties.
Size	An item’s SizeOptions.Height, SizeOptions.Width, SizeOptions.MaxHeight, and SizeOptions.MaxWidth properties.
Context Menu	Contains commonly used customization options.
HitTest Information	For splitter items, the layout control’s GetHitTest function returns a TdxLayoutSplitterHitTest object when the customization mode is disabled. In customization mode, the function returns a TdxLayoutBasicItemHitTest object for these items.