[automation.py] Add restype for OleDLL function

To be consistent with how we declare ctypes function
enthought · Jan 25, 2025 · 5cfc712 · 5cfc712
1 parent b63bb5a
commit 5cfc712
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/comtypes/automation.py b/comtypes/automation.py
@@ -585,15 +585,19 @@ def ChangeType(self, typecode):
 
 _VariantChangeType = _oleaut32.VariantChangeType
 _VariantChangeType.argtypes = (POINTER(VARIANT), POINTER(VARIANT), c_ushort, VARTYPE)
+_VariantChangeType.restype = HRESULT
 
 _VariantClear = _oleaut32.VariantClear
 _VariantClear.argtypes = (POINTER(VARIANT),)
+_VariantClear.restype = HRESULT
 
 _VariantCopy = _oleaut32.VariantCopy
 _VariantCopy.argtypes = POINTER(VARIANT), POINTER(VARIANT)
+_VariantCopy.restype = HRESULT
 
 _VariantCopyInd = _oleaut32.VariantCopyInd
 _VariantCopyInd.argtypes = POINTER(VARIANT), POINTER(VARIANT)
+_VariantCopyInd.restype = HRESULT
 
 # some commonly used VARIANT instances
 VARIANT.null = VARIANT(None)