C#: basic calculator developing in winform part 1-(design phase)

for starting c# win form it is best to start with a common easy desktop application.
here Rakibe kuet eee 06 design a calculator for starting win form application.

the design source code is

namespace Calculator
{
    partial class Form1
    {
        /// 
        /// Required designer variable.
        /// 
        private System.ComponentModel.IContainer components = null;

        /// 
        /// Clean up any resources being used.
        /// 
        /// true if managed resources should be disposed; otherwise, false.
        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }
            base.Dispose(disposing);
        }

        #region Windows Form Designer generated code

        /// 
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 
        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
            this.groupBox1 = new System.Windows.Forms.GroupBox();
            this.button9 = new System.Windows.Forms.Button();
            this.button30 = new System.Windows.Forms.Button();
            this.button29 = new System.Windows.Forms.Button();
            this.button28 = new System.Windows.Forms.Button();
            this.button27 = new System.Windows.Forms.Button();
            this.button26 = new System.Windows.Forms.Button();
            this.button25 = new System.Windows.Forms.Button();
            this.button24 = new System.Windows.Forms.Button();
            this.button23 = new System.Windows.Forms.Button();
            this.button22 = new System.Windows.Forms.Button();
            this.button21 = new System.Windows.Forms.Button();
            this.button20 = new System.Windows.Forms.Button();
            this.button19 = new System.Windows.Forms.Button();
            this.button18 = new System.Windows.Forms.Button();
            this.button17 = new System.Windows.Forms.Button();
            this.button16 = new System.Windows.Forms.Button();
            this.button15 = new System.Windows.Forms.Button();
            this.button14 = new System.Windows.Forms.Button();
            this.button13 = new System.Windows.Forms.Button();
            this.button12 = new System.Windows.Forms.Button();
            this.button11 = new System.Windows.Forms.Button();
            this.button10 = new System.Windows.Forms.Button();
            this.button8 = new System.Windows.Forms.Button();
            this.button7 = new System.Windows.Forms.Button();
            this.button6 = new System.Windows.Forms.Button();
            this.button5 = new System.Windows.Forms.Button();
            this.button4 = new System.Windows.Forms.Button();
            this.button3 = new System.Windows.Forms.Button();
            this.button2 = new System.Windows.Forms.Button();
            this.button1 = new System.Windows.Forms.Button();
            this.groupBox2 = new System.Windows.Forms.GroupBox();
            this.display = new System.Windows.Forms.TextBox();
            this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
            this.groupBox1.SuspendLayout();
            this.groupBox2.SuspendLayout();
            this.SuspendLayout();
            // 
            // groupBox1
            // 
            this.groupBox1.AutoSize = true;
            this.groupBox1.BackColor = System.Drawing.SystemColors.ButtonFace;
            this.groupBox1.Controls.Add(this.button9);
            this.groupBox1.Controls.Add(this.button30);
            this.groupBox1.Controls.Add(this.button29);
            this.groupBox1.Controls.Add(this.button28);
            this.groupBox1.Controls.Add(this.button27);
            this.groupBox1.Controls.Add(this.button26);
            this.groupBox1.Controls.Add(this.button25);
            this.groupBox1.Controls.Add(this.button24);
            this.groupBox1.Controls.Add(this.button23);
            this.groupBox1.Controls.Add(this.button22);
            this.groupBox1.Controls.Add(this.button21);
            this.groupBox1.Controls.Add(this.button20);
            this.groupBox1.Controls.Add(this.button19);
            this.groupBox1.Controls.Add(this.button18);
            this.groupBox1.Controls.Add(this.button17);
            this.groupBox1.Controls.Add(this.button16);
            this.groupBox1.Controls.Add(this.button15);
            this.groupBox1.Controls.Add(this.button14);
            this.groupBox1.Controls.Add(this.button13);
            this.groupBox1.Controls.Add(this.button12);
            this.groupBox1.Controls.Add(this.button11);
            this.groupBox1.Controls.Add(this.button10);
            this.groupBox1.Controls.Add(this.button8);
            this.groupBox1.Controls.Add(this.button7);
            this.groupBox1.Controls.Add(this.button6);
            this.groupBox1.Controls.Add(this.button5);
            this.groupBox1.Controls.Add(this.button4);
            this.groupBox1.Controls.Add(this.button3);
            this.groupBox1.Controls.Add(this.button2);
            this.groupBox1.Controls.Add(this.button1);
            this.groupBox1.Cursor = System.Windows.Forms.Cursors.PanNW;
            this.groupBox1.Location = new System.Drawing.Point(24, 118);
            this.groupBox1.Name = "groupBox1";
            this.groupBox1.Size = new System.Drawing.Size(369, 379);
            this.groupBox1.TabIndex = 31;
            this.groupBox1.TabStop = false;
            // 
            // button9
            // 
            this.button9.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button9.Location = new System.Drawing.Point(218, 82);
            this.button9.Name = "button9";
            this.button9.Size = new System.Drawing.Size(54, 51);
            this.button9.TabIndex = 60;
            this.button9.Text = "x^y";
            this.button9.UseVisualStyleBackColor = true;
            // 
            // button30
            // 
            this.button30.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button30.Location = new System.Drawing.Point(278, 306);
            this.button30.Name = "button30";
            this.button30.Size = new System.Drawing.Size(54, 51);
            this.button30.TabIndex = 59;
            this.button30.Text = "×10^x";
            this.button30.UseVisualStyleBackColor = true;
            // 
            // button29
            // 
            this.button29.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button29.Location = new System.Drawing.Point(217, 306);
            this.button29.Name = "button29";
            this.button29.Size = new System.Drawing.Size(54, 51);
            this.button29.TabIndex = 58;
            this.button29.Text = "+";
            this.button29.UseVisualStyleBackColor = true;
            this.button29.Click += new System.EventHandler(this.button29_Click);
            // 
            // button28
            // 
            this.button28.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button28.Location = new System.Drawing.Point(277, 136);
            this.button28.Name = "button28";
            this.button28.Size = new System.Drawing.Size(54, 51);
            this.button28.TabIndex = 57;
            this.button28.Text = "Cos θ";
            this.button28.UseVisualStyleBackColor = true;
            // 
            // button27
            // 
            this.button27.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button27.Location = new System.Drawing.Point(37, 193);
            this.button27.Name = "button27";
            this.button27.Size = new System.Drawing.Size(54, 51);
            this.button27.TabIndex = 56;
            this.button27.Text = "4";
            this.button27.UseVisualStyleBackColor = true;
            // 
            // button26
            // 
            this.button26.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button26.Location = new System.Drawing.Point(97, 193);
            this.button26.Name = "button26";
            this.button26.Size = new System.Drawing.Size(54, 51);
            this.button26.TabIndex = 55;
            this.button26.Text = "5";
            this.button26.UseVisualStyleBackColor = true;
            this.button26.Click += new System.EventHandler(this.button26_Click);
            // 
            // button25
            // 
            this.button25.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button25.Location = new System.Drawing.Point(37, 252);
            this.button25.Name = "button25";
            this.button25.Size = new System.Drawing.Size(54, 51);
            this.button25.TabIndex = 54;
            this.button25.Text = "1";
            this.button25.UseVisualStyleBackColor = true;
            // 
            // button24
            // 
            this.button24.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button24.Location = new System.Drawing.Point(97, 252);
            this.button24.Name = "button24";
            this.button24.Size = new System.Drawing.Size(54, 51);
            this.button24.TabIndex = 53;
            this.button24.Text = "2";
            this.button24.UseVisualStyleBackColor = true;
            // 
            // button23
            // 
            this.button23.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button23.Location = new System.Drawing.Point(277, 193);
            this.button23.Name = "button23";
            this.button23.Size = new System.Drawing.Size(54, 51);
            this.button23.TabIndex = 52;
            this.button23.Text = "Log";
            this.button23.UseVisualStyleBackColor = true;
            // 
            // button22
            // 
            this.button22.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button22.Location = new System.Drawing.Point(157, 252);
            this.button22.Name = "button22";
            this.button22.Size = new System.Drawing.Size(54, 51);
            this.button22.TabIndex = 51;
            this.button22.Text = "3";
            this.button22.UseVisualStyleBackColor = true;
            // 
            // button21
            // 
            this.button21.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button21.Location = new System.Drawing.Point(218, 252);
            this.button21.Name = "button21";
            this.button21.Size = new System.Drawing.Size(54, 51);
            this.button21.TabIndex = 50;
            this.button21.Text = "-";
            this.button21.UseVisualStyleBackColor = true;
            // 
            // button20
            // 
            this.button20.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button20.Location = new System.Drawing.Point(277, 252);
            this.button20.Name = "button20";
            this.button20.Size = new System.Drawing.Size(54, 51);
            this.button20.TabIndex = 49;
            this.button20.Text = "ln";
            this.button20.UseVisualStyleBackColor = true;
            // 
            // button19
            // 
            this.button19.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button19.Location = new System.Drawing.Point(37, 306);
            this.button19.Name = "button19";
            this.button19.Size = new System.Drawing.Size(54, 51);
            this.button19.TabIndex = 48;
            this.button19.Text = ".";
            this.button19.UseVisualStyleBackColor = true;
            // 
            // button18
            // 
            this.button18.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button18.Location = new System.Drawing.Point(97, 306);
            this.button18.Name = "button18";
            this.button18.Size = new System.Drawing.Size(54, 51);
            this.button18.TabIndex = 47;
            this.button18.Text = "0";
            this.button18.UseVisualStyleBackColor = true;
            // 
            // button17
            // 
            this.button17.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button17.Location = new System.Drawing.Point(157, 306);
            this.button17.Name = "button17";
            this.button17.Size = new System.Drawing.Size(54, 51);
            this.button17.TabIndex = 46;
            this.button17.Text = "=";
            this.button17.UseVisualStyleBackColor = true;
            this.button17.Click += new System.EventHandler(this.button17_Click);
            // 
            // button16
            // 
            this.button16.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button16.Location = new System.Drawing.Point(217, 193);
            this.button16.Name = "button16";
            this.button16.Size = new System.Drawing.Size(54, 51);
            this.button16.TabIndex = 45;
            this.button16.Text = "×";
            this.button16.UseVisualStyleBackColor = true;
            // 
            // button15
            // 
            this.button15.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button15.Location = new System.Drawing.Point(158, 193);
            this.button15.Name = "button15";
            this.button15.Size = new System.Drawing.Size(54, 51);
            this.button15.TabIndex = 44;
            this.button15.Text = "6";
            this.button15.UseVisualStyleBackColor = true;
            // 
            // button14
            // 
            this.button14.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button14.Location = new System.Drawing.Point(218, 136);
            this.button14.Name = "button14";
            this.button14.Size = new System.Drawing.Size(54, 51);
            this.button14.TabIndex = 43;
            this.button14.Text = "÷";
            this.button14.UseVisualStyleBackColor = true;
            // 
            // button13
            // 
            this.button13.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button13.Location = new System.Drawing.Point(157, 136);
            this.button13.Name = "button13";
            this.button13.Size = new System.Drawing.Size(54, 51);
            this.button13.TabIndex = 42;
            this.button13.Text = "9";
            this.button13.UseVisualStyleBackColor = true;
            // 
            // button12
            // 
            this.button12.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button12.Location = new System.Drawing.Point(97, 136);
            this.button12.Name = "button12";
            this.button12.Size = new System.Drawing.Size(54, 51);
            this.button12.TabIndex = 41;
            this.button12.Text = "8";
            this.button12.UseVisualStyleBackColor = true;
            this.button12.Click += new System.EventHandler(this.button12_Click);
            // 
            // button11
            // 
            this.button11.Font = new System.Drawing.Font("Microsoft Sans Serif", 15F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button11.Location = new System.Drawing.Point(37, 136);
            this.button11.Name = "button11";
            this.button11.Size = new System.Drawing.Size(54, 51);
            this.button11.TabIndex = 40;
            this.button11.Text = "7";
            this.button11.UseVisualStyleBackColor = true;
            // 
            // button10
            // 
            this.button10.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button10.Location = new System.Drawing.Point(278, 81);
            this.button10.Name = "button10";
            this.button10.Size = new System.Drawing.Size(54, 51);
            this.button10.TabIndex = 39;
            this.button10.Text = "Sinθ";
            this.button10.UseVisualStyleBackColor = true;
            // 
            // button8
            // 
            this.button8.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button8.Location = new System.Drawing.Point(157, 82);
            this.button8.Name = "button8";
            this.button8.Size = new System.Drawing.Size(54, 51);
            this.button8.TabIndex = 38;
            this.button8.Text = "y√x";
            this.button8.UseVisualStyleBackColor = true;
            // 
            // button7
            // 
            this.button7.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button7.Location = new System.Drawing.Point(97, 82);
            this.button7.Name = "button7";
            this.button7.Size = new System.Drawing.Size(54, 51);
            this.button7.TabIndex = 37;
            this.button7.Text = "√x";
            this.button7.UseVisualStyleBackColor = true;
            // 
            // button6
            // 
            this.button6.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button6.Location = new System.Drawing.Point(37, 82);
            this.button6.Name = "button6";
            this.button6.Size = new System.Drawing.Size(54, 51);
            this.button6.TabIndex = 36;
            this.button6.Text = "Conv.";
            this.button6.UseVisualStyleBackColor = true;
            this.button6.Click += new System.EventHandler(this.button6_Click);
            // 
            // button5
            // 
            this.button5.BackColor = System.Drawing.Color.Red;
            this.button5.BackgroundImageLayout = System.Windows.Forms.ImageLayout.None;
            this.button5.FlatAppearance.BorderColor = System.Drawing.Color.Red;
            this.button5.FlatAppearance.MouseOverBackColor = System.Drawing.Color.Red;
            this.button5.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
            this.button5.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button5.ForeColor = System.Drawing.Color.White;
            this.button5.Location = new System.Drawing.Point(278, 25);
            this.button5.Name = "button5";
            this.button5.Size = new System.Drawing.Size(54, 51);
            this.button5.TabIndex = 35;
            this.button5.Text = "AC";
            this.button5.UseVisualStyleBackColor = true;
            this.button5.Click += new System.EventHandler(this.button5_Click);
            this.button5.Enter += new System.EventHandler(this.button5_Enter);
            this.button5.Leave += new System.EventHandler(this.button5_Enter);
            this.button5.MouseClick += new System.Windows.Forms.MouseEventHandler(this.button5_MouseClick);
            this.button5.MouseCaptureChanged += new System.EventHandler(this.button5_MouseEnter);
            this.button5.MouseEnter += new System.EventHandler(this.button5_MouseEnter);
            this.button5.MouseLeave += new System.EventHandler(this.button5_MouseEnter);
            this.button5.MouseHover += new System.EventHandler(this.button5_MouseEnter);
            this.button5.PreviewKeyDown += new System.Windows.Forms.PreviewKeyDownEventHandler(this.button5_PreviewKeyDown);
            this.button5.Validated += new System.EventHandler(this.button5_Enter);
            // 
            // button4
            // 
            this.button4.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button4.Location = new System.Drawing.Point(217, 25);
            this.button4.Name = "button4";
            this.button4.Size = new System.Drawing.Size(54, 51);
            this.button4.TabIndex = 34;
            this.button4.Text = "Clear";
            this.button4.UseVisualStyleBackColor = true;
            // 
            // button3
            // 
            this.button3.Font = new System.Drawing.Font("Microsoft Sans Serif", 10F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button3.Location = new System.Drawing.Point(158, 25);
            this.button3.Name = "button3";
            this.button3.Size = new System.Drawing.Size(54, 51);
            this.button3.TabIndex = 33;
            this.button3.Text = "M+";
            this.button3.UseVisualStyleBackColor = true;
            // 
            // button2
            // 
            this.button2.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button2.Location = new System.Drawing.Point(97, 25);
            this.button2.Name = "button2";
            this.button2.Size = new System.Drawing.Size(54, 51);
            this.button2.TabIndex = 32;
            this.button2.Text = "Shift";
            this.button2.UseVisualStyleBackColor = true;
            // 
            // button1
            // 
            this.button1.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.button1.Location = new System.Drawing.Point(37, 25);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(54, 51);
            this.button1.TabIndex = 31;
            this.button1.Text = "Const.";
            this.button1.UseVisualStyleBackColor = true;
            // 
            // groupBox2
            // 
            this.groupBox2.BackColor = System.Drawing.SystemColors.ButtonFace;
            this.groupBox2.Controls.Add(this.display);
            this.groupBox2.Location = new System.Drawing.Point(24, 12);
            this.groupBox2.Name = "groupBox2";
            this.groupBox2.Size = new System.Drawing.Size(369, 100);
            this.groupBox2.TabIndex = 32;
            this.groupBox2.TabStop = false;
            this.groupBox2.Text = "Display";
            // 
            // display
            // 
            this.display.Font = new System.Drawing.Font("Microsoft Sans Serif", 28F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
            this.display.Location = new System.Drawing.Point(15, 19);
            this.display.Multiline = true;
            this.display.Name = "display";
            this.display.Size = new System.Drawing.Size(339, 59);
            this.display.TabIndex = 1;
            this.display.Text = "0";
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(419, 508);
            this.Controls.Add(this.groupBox2);
            this.Controls.Add(this.groupBox1);
            this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
            this.KeyPreview = true;
            this.Name = "Form1";
            this.Text = "Rakeeb\'s Calculator";
            this.Load += new System.EventHandler(this.Form1_Load);
            this.KeyPress += new System.Windows.Forms.KeyPressEventHandler(this.Form1_KeyPress);
            this.groupBox1.ResumeLayout(false);
            this.groupBox2.ResumeLayout(false);
            this.groupBox2.PerformLayout();
            this.ResumeLayout(false);
            this.PerformLayout();

        }

        #endregion

        private System.Windows.Forms.GroupBox groupBox1;
        private System.Windows.Forms.Button button30;
        private System.Windows.Forms.Button button29;
        private System.Windows.Forms.Button button28;
        private System.Windows.Forms.Button button27;
        private System.Windows.Forms.Button button26;
        private System.Windows.Forms.Button button25;
        private System.Windows.Forms.Button button24;
        private System.Windows.Forms.Button button23;
        private System.Windows.Forms.Button button22;
        private System.Windows.Forms.Button button21;
        private System.Windows.Forms.Button button20;
        private System.Windows.Forms.Button button19;
        private System.Windows.Forms.Button button18;
        private System.Windows.Forms.Button button17;
        private System.Windows.Forms.Button button16;
        private System.Windows.Forms.Button button15;
        private System.Windows.Forms.Button button14;
        private System.Windows.Forms.Button button13;
        private System.Windows.Forms.Button button12;
        private System.Windows.Forms.Button button11;
        private System.Windows.Forms.Button button10;
        private System.Windows.Forms.Button button8;
        private System.Windows.Forms.Button button7;
        private System.Windows.Forms.Button button6;
        private System.Windows.Forms.Button button5;
        private System.Windows.Forms.Button button4;
        private System.Windows.Forms.Button button3;
        private System.Windows.Forms.Button button2;
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.GroupBox groupBox2;
        private System.Windows.Forms.TextBox display;
        private System.Windows.Forms.Button button9;
        private System.Windows.Forms.ToolTip toolTip1;

    }
}

the full sourcecode is here. its is just design

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About kishordgupta

A software developer
This entry was posted in C#, Winform app and tagged , , , , . Bookmark the permalink.

One Response to C#: basic calculator developing in winform part 1-(design phase)

  1. Morshec says:

    download link is not working

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