//创建COM 接口对象
public static ICustomedOperation CreateOperation(String _guid, String conStr)
{
ICustomedOperation iOperation = null;
try
{
Guid guid = new Guid(_guid);
Type operationType = Type.GetTypeFromCLSID(guid);
object operation = Activator.CreateInstance(operationType);
iOperation = operation as ICustomedOperation;
iOperation.Connect(conStr);
}
catch (Exception ex)
{
Console.Write(ex.ToString());
}
return(iOperation);
}
private void MulBtn_Click(object sender, RoutedEventArgs e)
{
if (mul1.Text == null || mul1.Text == "" || mul2.Text == "" || mul2.Text == null)
{
MessageBox.Show("请输入需要相加的两个源操作数");
return;
}
ICustomedOperation iOperation = CreateOperation("0695719A-8D21-4428-AB41-4068431F1C54", "");
int d1, d2;
bool b1 = Int32.TryParse(mul1.Text, out d1);
bool b2 = Int32.TryParse(mul2.Text, out d2);
if (b1 && b2)
{
mulResultBox.Text = iOperation.Multiply(d1, d2).ToString();
}
else
{
MessageBox.Show("输入的操作数不符合规范！！！");
}
}