Can I have this code converted to visualbasic.... Anonymous answered this Was this answer helpful? 2,933 answers Program.cs using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace InvoiceTotal { static class Program { /// /// The main entry point for the application. /// [STAThread] static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new frmInvoiceTotal()); } } } frmInvoiceTotal.Designer.cs namespace InvoiceTotal { partial class frmInvoiceTotal { /// /// 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.btnExit = new System.Windows.Forms.Button(); this.btnCalculate = new System.Windows.Forms.Button(); this.txtProductTotal = new System.Windows.Forms.TextBox(); this.label3 = new System.Windows.Forms.Label(); this.label2 = new System.Windows.Forms.Label(); this.label1 = new System.Windows.Forms.Label(); this.txtDiscountAmount = new System.Windows.Forms.TextBox(); this.txtTotal = new System.Windows.Forms.TextBox(); this.label4 = new System.Windows.Forms.Label(); this.txtSubtotal = new System.Windows.Forms.TextBox(); this.label6 = new System.Windows.Forms.Label(); this.txtTax = new System.Windows.Forms.TextBox(); this.btnChange = new System.Windows.Forms.Button(); this.SuspendLayout(); // // btnExit // this.btnExit.DialogResult = System.Windows.Forms.DialogResult.Cancel; this.btnExit.Location = new System.Drawing.Point(130, 161); this.btnExit.Name = "btnExit"; this.btnExit.Size = new System.Drawing.Size(75, 23); this.btnExit.TabIndex = 16; this.btnExit.Text = "E&xit"; this.btnExit.Click += new System.EventHandler(this.btnExit_Click); // // btnCalculate // this.btnCalculate.Location = new System.Drawing.Point(36, 161); this.btnCalculate.Name = "btnCalculate"; this.btnCalculate.Size = new System.Drawing.Size(75, 23); this.btnCalculate.TabIndex = 15; this.btnCalculate.Text = "&Calculate"; this.btnCalculate.Click += new System.EventHandler(this.btnCalculate_Click); // // txtProductTotal // this.txtProductTotal.Location = new System.Drawing.Point(121, 16); this.txtProductTotal.Name = "txtProductTotal"; this.txtProductTotal.Size = new System.Drawing.Size(84, 20); this.txtProductTotal.TabIndex = 14; // // label3 // this.label3.Location = new System.Drawing.Point(17, 121); this.label3.Name = "label3"; this.label3.Size = new System.Drawing.Size(94, 20); this.label3.TabIndex = 5; this.label3.Text = "Total:"; this.label3.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; // // label2 // this.label2.Location = new System.Drawing.Point(17, 42); this.label2.Name = "label2"; this.label2.Size = new System.Drawing.Size(94, 20); this.label2.TabIndex = 8; this.label2.Text = "Discount amount:"; this.label2.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; // // label1 // this.label1.Location = new System.Drawing.Point(17, 16); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(94, 20); this.label1.TabIndex = 7; this.label1.Text = "Product total:"; this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleLeft; // // txtDiscountAmount // this.txtDiscountAmount.Location = new System.Drawing.Point(121, 42); this.txtDiscountAmount.Name = "txtDiscountAmount"; this.txtDiscountAmount.ReadOnly = true; this.txtDiscountAmount.Size = new System.Drawing.Size(84, 20); this.txtDiscountAmount.TabIndex = 18; this.txtDiscountAmount.TabStop = false; // // txtTotal // this.txtTotal.Location = new System.Drawing.Point(121, 122); this.txtTotal.Name = "txtTotal"; this.txtTotal.ReadOnly = true; this.txtTotal.Size = new System.Drawing.Size(84, 20); this.txtTotal.TabIndex = 19; this.txtTotal.TabStop = false; // // label4 // this.label4.AutoSize = true; this.label4.Location = new System.Drawing.Point(17, 72); this.label4.Name = "label4"; this.label4.Size = new System.Drawing.Size(49, 13); this.label4.TabIndex = 20; this.label4.Text = "Subtotal:"; // // txtSubtotal // this.txtSubtotal.Location = new System.Drawing.Point(121, 69); this.txtSubtotal.Name = "txtSubtotal"; this.txtSubtotal.ReadOnly = true; this.txtSubtotal.Size = new System.Drawing.Size(84, 20); this.txtSubtotal.TabIndex = 21; this.txtSubtotal.TabStop = false; // // label6 // this.label6.AutoSize = true; this.label6.Location = new System.Drawing.Point(17, 99); this.label6.Name = "label6"; this.label6.Size = new System.Drawing.Size(66, 13); this.label6.TabIndex = 22; this.label6.Text = "Tax (7.75%):"; // // txtTax // this.txtTax.Location = new System.Drawing.Point(121, 96); this.txtTax.Name = "txtTax"; this.txtTax.ReadOnly = true; this.txtTax.Size = new System.Drawing.Size(84, 20); this.txtTax.TabIndex = 23; this.txtTax.TabStop = false; // // btnChange // this.btnChange.Location = new System.Drawing.Point(230, 94); this.btnChange.Name = "btnChange"; this.btnChange.Size = new System.Drawing.Size(75, 23); this.btnChange.TabIndex = 24; this.btnChange.Text = "Change Percent"; this.btnChange.UseVisualStyleBackColor = true; this.btnChange.Click += new System.EventHandler(this.btnChange_Click); // // frmInvoiceTotal // this.AcceptButton = this.btnCalculate; this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.CancelButton = this.btnExit; this.ClientSize = new System.Drawing.Size(343, 202); this.Controls.Add(this.btnChange); this.Controls.Add(this.txtTax); this.Controls.Add(this.label6); this.Controls.Add(this.txtSubtotal); this.Controls.Add(this.label4); this.Controls.Add(this.txtTotal); this.Controls.Add(this.txtDiscountAmount); this.Controls.Add(this.btnExit); this.Controls.Add(this.btnCalculate); this.Controls.Add(this.txtProductTotal); this.Controls.Add(this.label3); this.Controls.Add(this.label2); this.Controls.Add(this.label1); this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle; this.Name = "frmInvoiceTotal"; this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; this.Text = "Invoice Total"; this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.Button btnExit; private System.Windows.Forms.Button btnCalculate; private System.Windows.Forms.TextBox txtProductTotal; private System.Windows.Forms.Label label3; private System.Windows.Forms.Label label2; private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox txtDiscountAmount; private System.Windows.Forms.TextBox txtTotal; private System.Windows.Forms.Label label4; private System.Windows.Forms.TextBox txtSubtotal; private System.Windows.Forms.Label label6; private System.Windows.Forms.TextBox txtTax; private System.Windows.Forms.Button btnChange; } } frmInvoiceTotal.cs using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace InvoiceTotal { public partial class frmInvoiceTotal : Form { public frmInvoiceTotal() { InitializeComponent(); } decimal SalesTaxPct = 7.75m; private void btnCalculate_Click(object sender, EventArgs e) { if (IsValidData()) { decimal productTotal = Convert.ToDecimal(txtProductTotal.Text); decimal discountPercent = .0m; if (productTotal < 100) discountPercent = .0m; else if (productTotal >= 100 && productTotal < 250) discountPercent = .1m; else if (productTotal >= 250) discountPercent = .25m; decimal discountAmount = productTotal * discountPercent; decimal subtotal = productTotal - discountAmount; decimal tax = subtotal * SalesTaxPct / 100; decimal total = subtotal + tax; txtDiscountAmount.Text = discountAmount.ToString("c"); txtSubtotal.Text = subtotal.ToString("c"); txtTax.Text = tax.ToString("c"); txtTotal.Text = total.ToString("c"); txtProductTotal.Focus(); } } public bool IsValidData() { return IsPresent(txtProductTotal, "Subtotal") && IsDecimal(txtProductTotal, "Subtotal") && IsWithinRange(txtProductTotal, "Subtotal", 0, 1000000); } public bool IsPresent(TextBox textBox, string name) { if (textBox.Text == "") { MessageBox.Show(name + " is a required field.", "Entry Error"); textBox.Focus(); return false; } return true; } public bool IsDecimal(TextBox textBox, string name) { decimal number = 0m; if (Decimal.TryParse(textBox.Text, out number)) { return true; } else { MessageBox.Show(name + " must be a decimal number.", "Entry Error"); textBox.Focus(); return false; } } public bool IsWithinRange(TextBox textBox, string name, decimal min, decimal max) { decimal number = Convert.ToDecimal(textBox.Text); if (number <= min || number >= max) { MessageBox.Show(name + " must be between " + min + " and " + max + ".", "Entry Error"); textBox.Focus(); return false; } return true; } private void btnExit_Click(object sender, EventArgs e) { this.Close(); } private void btnChange_Click(object sender, EventArgs e) { frmSalesTax f = new frmSalesTax(); //f.Show(); if (f.ShowDialog() == DialogResult.OK) { SalesTaxPct = Convert.ToDecimal(f.Tag); f.Close(); } } } } frmSalesTax.Designer.cs namespace InvoiceTotal { partial class frmSalesTax { /// /// 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.label1 = new System.Windows.Forms.Label(); this.txtInput = new System.Windows.Forms.TextBox(); this.btnOK = new System.Windows.Forms.Button(); this.btnCancel = new System.Windows.Forms.Button(); this.SuspendLayout(); // // label1 // this.label1.AutoSize = true; this.label1.Location = new System.Drawing.Point(13, 89); this.label1.Name = "label1"; this.label1.Size = new System.Drawing.Size(60, 13); this.label1.TabIndex = 0; this.label1.Text = "Sales Tax: "; // // txtInput // this.txtInput.Location = new System.Drawing.Point(79, 86); this.txtInput.Name = "txtInput"; this.txtInput.Size = new System.Drawing.Size(100, 20); this.txtInput.TabIndex = 1; // // btnOK // this.btnOK.DialogResult = System.Windows.Forms.DialogResult.OK; this.btnOK.Location = new System.Drawing.Point(33, 127); this.btnOK.Name = "btnOK"; this.btnOK.Size = new System.Drawing.Size(75, 23); this.btnOK.TabIndex = 2; this.btnOK.Text = "OK"; this.btnOK.UseVisualStyleBackColor = true; this.btnOK.Click += new System.EventHandler(this.btnOK_Click); // // btnCancel // this.btnCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel; this.btnCancel.Location = new System.Drawing.Point(123, 127); this.btnCancel.Name = "btnCancel"; this.btnCancel.Size = new System.Drawing.Size(75, 23); this.btnCancel.TabIndex = 3; this.btnCancel.Text = "Cancel"; this.btnCancel.UseVisualStyleBackColor = true; // // frmSalesTax // this.AcceptButton = this.btnOK; this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F); this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; this.CancelButton = this.btnCancel; this.ClientSize = new System.Drawing.Size(284, 261); this.Controls.Add(this.btnCancel); this.Controls.Add(this.btnOK); this.Controls.Add(this.txtInput); this.Controls.Add(this.label1); this.Name = "frmSalesTax"; this.Text = "frmSalesTax"; this.ResumeLayout(false); this.PerformLayout(); } #endregion private System.Windows.Forms.Label label1; private System.Windows.Forms.TextBox txtInput; private System.Windows.Forms.Button btnOK; private System.Windows.Forms.Button btnCancel; } } frmSalesTax.cs using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace InvoiceTotal { public partial class frmSalesTax : Form { public frmSalesTax() { InitializeComponent(); } private void btnOK_Click(object sender, EventArgs e) { decimal salesTax = Convert.ToDecimal(txtInput.Text); Tag = salesTax; } } }