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Arijeet Ghosh
NA
210
37.2k
I have written the code but still comes error
Jul 1 2020 3:19 AM
I have written this code but still can't find the function. Please help me rectify the problem.
The code:-
public
partial
class
Form1 : Form
{
public
Form1()
{
InitializeComponent();
}
private
void
button1_Click(
object
sender, EventArgs e)
{
Test t =
new
Test();
IntPtr fooPtr = Test.plus(5, 7);
int
LENGTH = 0;
var foo =
new
int
[LENGTH];
Marshal.Copy(fooPtr, foo, 0, LENGTH);
MessageBox.Show(LENGTH.ToString());
}
}
internal
sealed
class
Test
{
[DllImport(
"F://test_Multiple//MFCApplication2//Debug//MFCApplication2.exe"
, CharSet = CharSet.Ansi, SetLastError =
true
, ExactSpelling =
true
)]
public
static
extern
IntPtr plus(
int
a,
int
b);
}
Reply
Answers (
2
)
How to get value returned from VC++ function in C#
Marshaling code2 : Problem described below