SpacingWrapPanel::HorizontalItemSpacing Property
Visual Studio 2015
Gets or sets the horizontal spacing between items. If the value is NaN (Auto), items are spaced evenly over the entire width of the panel. For horizontally-oriented panels, the spacing is applied between individual items in a row. For vertically-oriented panels, the spacing is applied between columns.
Assembly: Microsoft.VisualStudio.Shell.14.0 (in Microsoft.VisualStudio.Shell.14.0.dll)
Show: