The default value is Inch.
Note that changing the value of this property will convert the numerical values input in the X and Y properties following a 1:1 ratio. This means that 1 inch will be converted to 1 cm if the value of this property is changed from inches to centimeters.
.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.
.NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.