public static void Main()
{
DelegateSample sample = new DelegateSample();
// DoProcess process = new DoProcess(sample.Process)
DoProcess process = sample.Process;
process("Test data");
}
private void btnCalculate_Click(object sender, EventArgs e)
{
if (_tempProcess != null && string.IsNullOrWhiteSpace(txtbxOperations.Text) == false)
{
string processHistory = _number1.Value.ToString() + " " + _tempProcess.OperationSign + " " + txtbxOperations.Text + " = ";
DoProcess dprcs = new DoProcess(_number1.Value, Convert.ToInt32(txtbxOperations.Text));
txtbxOperations.Text = dprcs.ShowResult(_tempProcess).ToString();
processHistory = processHistory + txtbxOperations.Text;
lbOperations.Items.Add(processHistory);
lblResult.Text = dprcs.ShowResult(_tempProcess).ToString();
}
EndCalculating();
}
public void Process(IProcess process)
{
if (string.IsNullOrWhiteSpace(txtbxOperations.Text) == false)
{
if (_number1.HasValue == false)
{
_number1 = Convert.ToInt32(txtbxOperations.Text);
lblOperations.Text += _number1.Value.ToString() + process.OperationSign;
}
else
{
int number2 = Convert.ToInt32(txtbxOperations.Text);
DoProcess dprcs = new DoProcess(_number1.Value, number2);
lblResult.Text = dprcs.ShowResult(_tempProcess).ToString();
_number1 = dprcs.ShowResult(_tempProcess);
lblOperations.Text += number2.ToString() + process.OperationSign;
}
_tempProcess = process;
txtbxOperations.Text = "";
}
}
/// <summary>
/// 用于线程调用委托的方法
/// </summary>
public void DoDelegate()
{
DoWriteProcess = DoPro;//将方法绑定给委托
Invoke(DoWriteProcess);
}
