WindowsForm菜单工具栏--2016年12月6日

ContextMenuStrip

　　添加控件后可在其他空间属性中进行绑定

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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(-)

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StatusStrip
       状态栏，可以添加按钮，文本等

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ToolStrip
       在ToolStripContainer控件内可被拖动修改位置

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ToolStripContainer
       帮助ToolStrip布局控件

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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