IVsShell.IsPackageInstalled(Guid, Int32) Method
Definition
Important
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Determines whether a VSPackage identified by guidPackage is installed and registered with the system.
public:
int IsPackageInstalled(Guid % guidPackage, [Runtime::InteropServices::Out] int % pfInstalled);
public int IsPackageInstalled (ref Guid guidPackage, out int pfInstalled);
abstract member IsPackageInstalled : Guid * int -> int
Public Function IsPackageInstalled (ByRef guidPackage As Guid, ByRef pfInstalled As Integer) As Integer
Parameters
- guidPackage
- Guid
[in] Unique identifier of the VSPackage.
- pfInstalled
- Int32
[out, retval] true
if the VSPackage is installed in the registry.
Returns
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
Remarks
COM Signature
From vsshell.idl:
HRESULT IVsShell::IsPackageInstalled(
[in] REFGUID guidPackage,
[out, retval] BOOL *pfInstalled
);
This method can be used to achieve advanced interactions between multiple VSPackages to determine whether they are loaded. It is recommended that you query for services that other VSPackages proffer.