1. frmCalculations .
2. public partial class frmCalculations. { :
Calculator Calculator1;
3. . } .
// Creates a new instance of Calculator.
Calculator1 = new Calculator();
4. , Click .
Click .
// Passes the value typed in the txtValue to Calculator.varFact1.
private void btnFactorial1_Click(object sender, System.EventArgs e)
{
Calculator1.varFact1 = int.Parse(txtValue.Text);
// Disables the btnFactorial1 until this calculation is complete.
btnFactorial1.Enabled = false;
Calculator1.Factorial();
}
private void btnFactorial2_Click(object sender, System.EventArgs e)
{
Calculator1.varFact2 = int.Parse(txtValue.Text);
btnFactorial2.Enabled = false;
Calculator1.FactorialMinusOne();
}
private void btnAddTwo_Click(object sender, System.EventArgs e)
{
Calculator1.varAddTwo = int.Parse(txtValue.Text);
btnAddTwo.Enabled = false;
Calculator1.AddTwo();
}
private void btnRunLoops_Click(object sender, System.EventArgs e)
{
Calculator1.varLoopValue = int.Parse(txtValue.Text);
btnRunLoops.Enabled = false;
// Lets the user know that a loop is running
lblRunLoops.Text = "Looping";
Calculator1.RunALoop();
}
5. , , , Calculator1.
private void FactorialHandler(double Value, double Calculations)
// Displays the returned value in the appropriate label.
{
lblFactorial1.Text = Value.ToString();
// Re-enables the button so it can be used again.
btnFactorial1.Enabled = true;
// Updates the label that displays the total calculations performed
lblTotalCalculations.Text = "TotalCalculations are " +
Calculations.ToString();
}
private void FactorialMinusHandler(double Value, double Calculations)
{
lblFactorial2.Text = Value.ToString();
btnFactorial2.Enabled = true;
lblTotalCalculations.Text = "TotalCalculations are " +
Calculations.ToString();
}
private void AddTwoHandler(int Value, double Calculations)
{
lblAddTwo.Text = Value.ToString();
btnAddTwo.Enabled = true;
lblTotalCalculations.Text = "TotalCalculations are " +
Calculations.ToString();
}
private void LoopDoneHandler(double Calculations, int Count)
{
btnRunLoops.Enabled = true;
lblRunLoops.Text = Count.ToString();
lblTotalCalculations.Text = "TotalCalculations are " +
Calculations.ToString();
}
6. frmCalculations } , Calculator1.
Calculator1.FactorialComplete += new
Calculator.FactorialCompleteHandler(this.FactorialHandler);
Calculator1.FactorialMinusOneComplete += new
Calculator.FactorialCompleteHandler(this.FactorialMinusHandler);
Calculator1.AddTwoComplete += new
Calculator.AddTwoCompleteHandler(this.AddTwoHandler);
Calculator1.LoopComplete += new
Calculator.LoopCompleteHandler(this.LoopDoneHandler);
, , . , .
