每次单击减法按钮时,我都想减法,现在它所做的只是减去一次。我猜它总是将所需的值视为 4000,这就是为什么它不会多次减去它,因为每次点击它都会检索初始所需的值。
int needed = 4000;
private void subtractBtn_Click(object sender, EventArgs e)
{
int Subtract = Convert.ToInt32(textBox_Subtract.Text);
remaining = needed - Subtract;
textBox_Remaining.Text = remaining.ToString();
if (remaining <=0)
{
MessageBox.Show("Hey it's done");
}
}
对于像我一样愚蠢的人,这里是最终代码
private void subtractBtn_Click(object sender, EventArgs e)
{
int Subtract = Convert.ToInt32(textBox_Subtract.Text);
remaining = needed - Subtract;
needed = remaining;
textBox_Remaining.Text = remaining.ToString();
if (remaining <=0)
{
MessageBox.Show("Hey it's done");
}
}
private void subtractBtn_Click(object sender, EventArgs e)
{
int Subtract = Convert.ToInt32(textBox_Subtract.Text);
remaining = needed - Subtract;
needed = remaining;
textBox_Remaining.Text = remaining.ToString();
if (remaining <=0)
{
MessageBox.Show("Hey it's done");
}
}
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