ILMergeDelaySign Property MSBuild Extension Pack Help 4.0.12.0
When this is set before calling Merge, then the target assembly will be delay signed. This can be set only in conjunction with the /keyfile option (Section 2.13).

Command line option: /delaysign

Default: null

Namespace: MSBuild.ExtensionPack.Framework
Assembly: MSBuild.ExtensionPack (in MSBuild.ExtensionPack.dll) Version: 4.0.0.0
See Also

Reference