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Compiler Error C3397

  • Article

Aggregate initialization is not allowed in default arguments

An array was declared incorrectly. See Arrays for more information.

Example

The following sample generates C3397.

// C3397.cpp
// compile with: /clr
// /clr /c
void Func(array<int> ^p = gcnew array<int> { 1, 2, 3 });   // C3397
void Func2(array<int> ^p = gcnew array<int> (3));   // OK

int main() {
   array<int> ^p = gcnew array<int> { 1, 2, 3};   // OK
}