ContextMenuStrip
添加控件后可在其他空间属性中进行绑定
MenuStrip
设置热键：在编辑的时候输入(&F)
设置快捷键：选中菜单项--右键属性--ShortCutKeys--设置快捷键
设置分隔线：在输入的时候输入减号(-)
StatusStrip
状态栏，可以添加按钮，文本等
ToolStrip
在ToolStripContainer控件内可被拖动修改位置
ToolStripContainer
帮助ToolStrip布局控件
计算器
/// <summary>
/// 根据点击的控件输入数字
/// </summary>
/// <param name="e"></param>
private void shuru(string str)
{
"||qk){
textBox1.Text = str;
qk = false;
}
else
textBox1.Text += str;
}
/// <summary>
/// 输入数字
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void b0_Click(object sender, EventArgs e)
{
shuru((sender as Control).Text);
}
/// <summary>
/// 小数点
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dian_Click(object sender, EventArgs e)
{
if(!textBox1.Text.Contains("."))
textBox1.Text+=".";
}
/// <summary>
/// 退格
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void back_Click(object sender, EventArgs e)
{
)
textBox1.Text = ";
else
textBox1.Text = textBox1.Text.Substring(, textBox1.TextLength-);
}
/// <summary>
/// 根据按下的按键键入计算符号
/// </summary>
/// <param name="e"></param>
private void jis(string str)
{
if (qk) {
if (shang != str) {
textBox2.Text = textBox2.Text.Substring(, textBox2.TextLength - ) + str;
shang = str;
}
}
else
{
qk = true;
dq = Convert.ToDecimal(textBox1.Text);
if (textBox2.Text == "")
{
jieguo = Convert.ToDecimal(textBox1.Text);
textBox2.Text = textBox1.Text + str;
shang = str;
}
else
{
js();
)
textBox2.Text += textBox1.Text + str;
else
textBox2.Text += "(" + textBox1.Text + ")" + str;
textBox1.Text = jieguo.ToString();
shang = str;
}
}
}
//标记是否点击运算符号
bool qk = false;
//保存结果
;
;
//上一步操作
string shang = "";
/// <summary>
/// 运算符操作
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void jia_Click(object sender, EventArgs e)
{
jis((sender as Control).Text);
}
/// <summary>
/// 根据上一次运算符操作
/// </summary>
private void js()
{
try {
switch(shang)
{
case "+":
jieguo = jieguo + dq;
break;
case "-":
jieguo = jieguo - dq;
break;
case "*":
jieguo = jieguo * dq;
break;
case "/":
jieguo = jieguo / dq;
break;
}
}
"; }
}
/// <summary>
/// 等号
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button20_Click(object sender, EventArgs e)
{
js();
textBox2.Text = "";
textBox1.Text = jieguo.ToString();
}
private void button20_KeyPress(object sender, KeyPressEventArgs e)
{
switch(e.KeyChar)
{
case '.':
if (!textBox1.Text.Contains("."))
textBox1.Text += ".";
break;
case (char)Keys.Back:
)
textBox1.Text = ";
else
textBox1.Text = textBox1.Text.Substring(, textBox1.TextLength - );
break;
:
js();
textBox2.Text = "";
textBox1.Text = jieguo.ToString();
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
':
shuru(");
break;
case '+':
jis("+");
break;
case '-':
jis("-");
break;
case '*':
jis("*");
break;
case '/':
jis("/");
break;
}
}
private void button3_Click(object sender, EventArgs e)
{
textBox1.Text = textBox2.Text = "";
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
textBox1.SelectionStart = textBox1.Text.Length;
textBox2.SelectionStart = textBox2.Text.Length;
}
private void button4_Click(object sender, EventArgs e)
{
textBox1.SelectionStart = textBox1.Text.Length;
}
一版