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trying to impliment non / by 0

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EggMan20339 2024-02-01 11:03:13 -05:00
parent 6a64647813
commit 08bc2c16e1
2 changed files with 69 additions and 5 deletions
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1
ElementaryMathematics/Form1.Designer.cs generated
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@ -211,6 +211,7 @@
this.btnShowCorrectAnswer.TabIndex = 7; this.btnShowCorrectAnswer.TabIndex = 7;
this.btnShowCorrectAnswer.Text = "Show Correct"; this.btnShowCorrectAnswer.Text = "Show Correct";
this.btnShowCorrectAnswer.UseVisualStyleBackColor = true; this.btnShowCorrectAnswer.UseVisualStyleBackColor = true;
this.btnShowCorrectAnswer.Click += new System.EventHandler(this.btnShowCorrectAnswer_Click);
// //
// btnChkAnswer // btnChkAnswer
// //

73
ElementaryMathematics/Form1.cs
View File

@ -124,7 +124,7 @@ namespace ElementaryMathematics
private ErrorProvider ep1 = new ErrorProvider(); private ErrorProvider ep1 = new ErrorProvider();
private decimal Calculate(decimal a, decimal b, decimal c) private decimal Calculate(decimal a, decimal b)
{ {
decimal answer = 0; decimal answer = 0;
@ -147,8 +147,16 @@ namespace ElementaryMathematics
hasTried = true; hasTried = true;
}else if (isDivide) }else if (isDivide)
{ {
answer = a / b;
hasTried = true; hasTried = true;
if (b != 0)
{
answer = a / b;
}
else
{
throw new Exception();
}
} }
else else
{ {
@ -158,7 +166,7 @@ namespace ElementaryMathematics
} }
catch (Exception e) catch (Exception e)
{ {
MessageBox.Show("Whoops!"); ep1.SetError(btnChkAnswer, "Calculation Error");
} }
@ -209,7 +217,7 @@ namespace ElementaryMathematics
try try
{ {
if (c == Calculate(a,b,c)) if (c == Calculate(a,b))
{ {
Win(); Win();
@ -296,12 +304,14 @@ namespace ElementaryMathematics
UpdateButtons(); UpdateButtons();
rdoAddition.Select(); rdoAddition.Select();
lblNumCorrect.Text = "0";
lblNumIncorrect.Text = "0";
} }
private void UpdateButtons() private void UpdateButtons()
{ {
if (txtA.TextLength > 0 && txtB.TextLength > 0 && txtC.TextLength > 0) if (txtA.TextLength > 0 && txtB.TextLength > 0 && txtC.TextLength > 0 && !hasTried)
{ {
btnChkAnswer.Enabled = true; btnChkAnswer.Enabled = true;
@ -344,5 +354,58 @@ namespace ElementaryMathematics
} }
} }
private void btnShowCorrectAnswer_Click(object sender, EventArgs e)
{
ep1.Clear();
decimal a = 0;
decimal b = 0;
decimal c = 0;
try
{
a = decimal.Parse(txtA.Text);
try
{
b = decimal.Parse(txtB.Text);
try
{
lblMessage.Text = Calculate(a, b).ToString();
}
catch (Exception exception)
{
ep1.SetError(btnChkAnswer, "Calculation Error");
}
}
catch (Exception exception)
{
ep1.SetError(txtB, "Invalid Value");
}
}
catch (Exception exception)
{
ep1.SetError(txtA, "Invalid Value");
}
UpdateButtons();
}
} }
} }