protected override bool ProcessCmdKey(ref Message msg, Keys key_data)
{
switch (key_data)
{
case Keys.Enter:
Btn_equal.PerformClick();
return(true);
}
return(base.ProcessCmdKey(ref msg, key_data));
}
private void Lab1Form_KeyDown(object sender, KeyEventArgs e)
{
Keys kc = e.KeyCode;
switch (e.KeyCode)
{
case Keys.D0:
case Keys.NumPad0:
if (e.Shift)
{
Btn_closeBracket.PerformClick();
}
else
{
Btn_0.PerformClick();
}
break;
case Keys.D1:
case Keys.NumPad1:
Btn_1.PerformClick();
break;
case Keys.D2:
case Keys.NumPad2:
Btn_2.PerformClick();
break;
case Keys.D3:
case Keys.NumPad3:
Btn_3.PerformClick();
break;
case Keys.D4:
case Keys.NumPad4:
Btn_4.PerformClick();
break;
case Keys.D5:
case Keys.NumPad5:
Btn_5.PerformClick();
break;
/* "^" */
case Keys.D6:
case Keys.NumPad6:
if (e.Shift)
{
Btn_power.PerformClick();
}
else
{
Btn_6.PerformClick();
}
break;
case Keys.D7:
case Keys.NumPad7:
Btn_7.PerformClick();
break;
case Keys.D8:
case Keys.NumPad8:
Btn_8.PerformClick();
break;
case Keys.D9:
case Keys.NumPad9:
if (e.Shift)
{
Btn_openBracket.PerformClick();
}
else
{
Btn_9.PerformClick();
}
break;
case Keys.Escape:
Btn_clear.PerformClick();
break;
case Keys.Enter:
Btn_equal.PerformClick();
break;
case Keys.Add:
Btn_plus.PerformClick();
break;
case Keys.Subtract:
Btn_minus.PerformClick();
break;
case Keys.Multiply:
Btn_mul.PerformClick();
break;
case Keys.Divide:
Btn_div.PerformClick();
break;
case Keys.Back:
Btn_backspace.PerformClick();
var expr = Expression_tb;
var result = Result_tb;
string prep_expr = Calc.Prepare(expr.Text);
if (Calc.TryExecute(prep_expr, out double res))
{
result.Text = res.ToString();
}
else
{
result.Text = "";
}
break;
}
if (e.Shift && kc == Keys.Oemplus)
{
Btn_plus.PerformClick();
}
else if (e.Shift && kc == Keys.OemMinus)
{
Btn_minus.PerformClick();
}
}