1-this.Minus.BackColor = System.Drawing.Color.FromArgb(((System.Byte)(255)), ((System.Byte)(128)), ((System.Byte)(128)));
2- this.Minus.Font = new System.Drawing.Font("Microsoft Sans Serif", 21.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(178)));
3- this.Minus.Location = new System.Drawing.Point(80, 264);
4- this.Minus.Name = "Minus";
5- this.Minus.Size = new System.Drawing.Size(48, 32);
6- this.Minus.TabIndex = 18;
7- this.Minus.Text = "-";
8- this.Minus.Click += new System.EventHandler(this.Minus_Click);
هناك زر جاهز اسمه minus
اريد شرح مفصل اذا امكن
وشكرا