C#编写的windows计算器-源代码(19) this.btn_sqrt.Name = "btn_sqrt"; this.btn_sqrt.Size = new System.Drawing.Size(76, 29); this.btn_sqrt.TabIndex = 25; this.btn_sqrt.Text = "sqrt"; this.btn_sqrt.Click += new System.EventHandler(this.btn_Oper); // // btn_div // this.btn_div.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134))); this.btn_div.ForeColor = System.Drawing.Color.Red; this.btn_div.Location = new System.Drawing.Point(138, 48); this.btn_div.Name = "btn_div"; this.btn_div.Size = new System.Drawing.Size(36, 29); this.btn_div.TabIndex = 24; this.btn_div.Text = "/"; this.btn_div.Click += new System.EventHandler(this.btn_Oper); // // btn_7 //