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TreeListBox - Change TreeItem Node expander shape to + and -

Grids for WPF Forum

Posted 4 years ago by Tom P.
Version: 19.1.0686
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I've been asked if we can override the default TreeListBox node expander from the Triangle (chevron) to the old school + and-.  For the life of me I cannot seem to override the default template for gridsPrimitives:TreeItemExpansionToggleButton

Any help would be greatly appreciaed.

Comments (2)

Answer - Posted 4 years ago by Actipro Software Support - Cleveland, OH, USA
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Hi Tom,

The TreeListBoxItem's Template puts an instance of TreeItemExpansionToggleButton in, and binds its Style property to the TreeListBoxItem.ToggleExpansionButtonStyle property.  I think you could make a Style targeting TreeListBoxItem and put a Setter for the ToggleExpansionButtonStyle property and that would get applied.

Actipro Software Support

Posted 4 years ago by Tom P.
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Perfect.

[Modified 4 years ago]

The latest build of this product (v24.1.1) was released 2 months ago, which was after the last post in this thread.

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