private void button2_Click(object sender, EventArgs e)
{
int send = 999;
int rtn = intReturn(send);
MessageBox.Show(rtn + " 리턴값 수신, 호출완료");
// 문자
string sendstr = "sendstring C#";
//IntPtr p = strReturn(sendstr);
//string c = Marshal.PtrToStringAnsi(p);
string rtnStr = strReturn(sendstr);
//string rtnStr = p + "///test"; // 형변환 오류
MessageBox.Show("string test: " + rtnStr);
typeExp testTemp = new typeExp();
testTemp.byteTest = new byte[64];
testTemp.uintTest = new uint[4];
testTemp.strTest = "testtest c#";
testTemp.byteTest[0] = byte.Parse("9");
testTemp.uintTest[0] = uint.Parse("3");
int rtnst = stReturn(ref testTemp);
MessageBox.Show("struct test: " + testTemp.strTest + "," + testTemp.uintTest[0]);
int[] intTemp = new int[10];
int rtnary = aryReturn(intTemp);
MessageBox.Show("arry test: " + intTemp[0] + "," + intTemp[1]);
IntPtr pintp = intpReturn();
string cintp = Marshal.PtrToStringAnsi(pintp);
MessageBox.Show("intp test: " + cintp + "," + pintp);
}
extern public static int stReturn(ref typeExp st);
