RAD Studio VCL Reference
SysUtils.ufImplicitUnit Constant

Indicates that a unit was implicitly imported into a package.

ufImplicitUnit = $10;
ufImplicitUnit = 0x10;

The GetPackageInfo function returns information about the units within a package. TPackageInfoProc is one of the parameters to that function : it is a callback procedure that is invoked for each unit in the package. It passes a set of flags associated with each unit.  

If the ufImplicitUnit is set, then the unit was implicitly imported into a package. This means that the unit is not used in another package required by this package, but is used by one of the units this package contains. 


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