Diff Tool Order

March 18, 2026 ยท View on GitHub

Default

Custom order

ViaEnvironment Variable

Set an DiffEngine_ToolOrder environment variable with the preferred order of tool resolution. The value can be comma (,), pipe (|), or space separated.

For example VisualStudio,Meld will result in VisualStudio then Meld then all other tools being the order.

Via Code

DiffTools.UseOrder(DiffTool.VisualStudio, DiffTool.AraxisMerge);

snippet source | anchor