同方2011专转本计算机.doc

namespace W_ public partial class Form1 : Form bool isDotpressed = false; decimal dOpDaTa1, dOpDaTa2, dreguet; char cOperator; public Form1() InitializeComponent(); private void bt9_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 9; private void bt8_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 8; private void bt7_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text +7; private void bt6_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 6; private void bt5_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 5; private void bt4_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 4; private void bt3_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 3; private void bt2_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 2; private void bt1_Click(object sender, EventArgs e) tbregust.Text = tbregust.Text + 1; private void button1_Click(object sender, EventArgs e) if (!isDotpressed) tbregust.Text = tbregust.Text + .; isDotpressed = true; private void button10_Click(object sender, EventArgs e)（加法输入） dOpDaTa1 = decimal.Parse(tbregust.Text); tbregust.Text = ; isDotpressed = false; cOperator=+; private void btcal_Click(object sender, EventArgs e) （等于）输入 dOpDaTa2 = decimal.Parse(tbregust.Text); switch(cOperator) case+: dreguet = dOpDaTa1 + dOpDaTa2; tbregust.Text = dreguet.ToString(); break; case-: （分号） dreguet = dOpDaTa1 - dOpDaTa2; tbregust.Text = dreguet.ToString(); break; default: （分号） break; private void btsub_Click(object sender, EventArgs e) （减法） dOpDaTa1 = d