private void btnDecrease_Click(object sender, System.EventArgs e)
{
TimeLib.Time time1 = ReadTime1();
if (time1 == null)
{
return;
}
time1--;
ShowTime1(time1.GetTime());
}
private void btnSubtract_Click(object sender, System.EventArgs e)
{
TimeLib.Time time1 = ReadTime1();
if (time1 == null)
{
return;
}
TimeLib.Time time2 = ReadTime2();
if (time2 == null)
{
return;
}
TimeLib.Time time3 = time2 - time1;
ShowTime3(time3.GetTime());
}
private void btnMinusNumber_Click(object sender, System.EventArgs e)
{
TimeLib.Time time1 = ReadTime1();
if (time1 == null)
{
return;
}
int n = 0;
if (!int.TryParse(txtNumber.Text, out n))
{
MessageBox.Show("عدد وارد شده صحیح نیست", "خطا", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtNumber.Focus();
return;
}
time1 = time1 - n;
ShowTime1(time1.GetTime());
}