Grid.

ColumnSpanProperty Field

Summary

ColumnSpan property. This is an attached property. Grid defines ColumnSpan, so that it can be set on any element treated as a cell. ColumnSpan property specifies child's width with respect to columns. Example, ColumnSpan == 2 means that child will span across two columns.
Namespace
Avalonia.Controls
Containing Type
Grid

Syntax

public static readonly AttachedProperty<int> ColumnSpanProperty

Remarks

Default value for the property is 1.