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.NET Forum / Windows Forms / WinForm General / December 2004

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InputBox in VC#.net?

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Andrew - 01 Dec 2004 16:25 GMT
In VB, we have InputBox to allow a user to input text. Do we have a similar
one in VC#.net? Obviously, MessageBox can not do it.

Thanks.
Nigel Armstrong - 01 Dec 2004 16:29 GMT
Hi Andrew

I wrote a simple class to do this. let me know if you want me to post it...

Usage was similar to MessageBox - it was InputBox.Show(), returning a
String...so we had a static Show method on a class called Input Box, a
private constructor to create an instance, and handle the ShowDialog in the
static show method.

Nigel Armstrong

> In VB, we have InputBox to allow a user to input text. Do we have a similar
> one in VC#.net? Obviously, MessageBox can not do it.
>
> Thanks.
Andrew - 01 Dec 2004 16:59 GMT
Yes, please...

> Hi Andrew
>
[quoted text clipped - 11 lines]
> >
> > Thanks.
Nigel Armstrong - 01 Dec 2004 20:23 GMT
Hi Andrew

Apologies for the length of this post...

Built using the design time environment...

HTH

Nigel Armstrong

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;

namespace CSharpInputBox
{
    /// <summary>
    /// Summary description for InputBox.
    /// </summary>
    public class InputBox : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Button buttonOK;
        private System.Windows.Forms.Button buttonCancel;
        private System.Windows.Forms.Label promptLabel;
        private System.Windows.Forms.TextBox inputTextBox;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        private InputBox()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        private static InputBox inputBox = null;
        public static string Show(string Prompt, string Title, string
DefaultResponse)
        {
            if (inputBox == null)
            {
                inputBox = new InputBox();
            }
            inputBox.promptLabel.Text = Prompt;
            inputBox.Text = Title;
            inputBox.inputTextBox.Text = DefaultResponse;
            if (inputBox.ShowDialog() == DialogResult.OK)
            {
                return inputBox.inputTextBox.Text;
            }
            else
            {
                return String.Empty;
            }
        }

        public static string Show(string Prompt)
        {
            return Show(Prompt, Application.ProductName, String.Empty);
        }

        public static string Show(string Prompt, string Title)
        {
            return Show(Prompt, Title, String.Empty);
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.buttonOK = new System.Windows.Forms.Button();
            this.buttonCancel = new System.Windows.Forms.Button();
            this.promptLabel = new System.Windows.Forms.Label();
            this.inputTextBox = new System.Windows.Forms.TextBox();
            this.SuspendLayout();
            //
            // buttonOK
            //
            this.buttonOK.DialogResult = System.Windows.Forms.DialogResult.OK;
            this.buttonOK.Location = new System.Drawing.Point(304, 16);
            this.buttonOK.Name = "buttonOK";
            this.buttonOK.TabIndex = 0;
            this.buttonOK.Text = "OK";
            //
            // buttonCancel
            //
            this.buttonCancel.DialogResult = System.Windows.Forms.DialogResult.Cancel;
            this.buttonCancel.Location = new System.Drawing.Point(304, 48);
            this.buttonCancel.Name = "buttonCancel";
            this.buttonCancel.TabIndex = 1;
            this.buttonCancel.Text = "Cancel";
            //
            // promptLabel
            //
            this.promptLabel.Location = new System.Drawing.Point(8, 16);
            this.promptLabel.Name = "promptLabel";
            this.promptLabel.Size = new System.Drawing.Size(288, 104);
            this.promptLabel.TabIndex = 2;
            this.promptLabel.Text = "label1";
            //
            // inputTextBox
            //
            this.inputTextBox.Location = new System.Drawing.Point(8, 128);
            this.inputTextBox.Name = "inputTextBox";
            this.inputTextBox.Size = new System.Drawing.Size(368, 20);
            this.inputTextBox.TabIndex = 3;
            this.inputTextBox.Text = "";
            //
            // InputBox
            //
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
            this.ClientSize = new System.Drawing.Size(384, 164);
            this.Controls.Add(this.inputTextBox);
            this.Controls.Add(this.promptLabel);
            this.Controls.Add(this.buttonCancel);
            this.Controls.Add(this.buttonOK);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
            this.MaximizeBox = false;
            this.MinimizeBox = false;
            this.Name = "InputBox";
            this.Text = "InputBox";
            this.ResumeLayout(false);

        }
        #endregion
    }
}
Herfried K. Wagner [MVP] - 01 Dec 2004 16:38 GMT
"Andrew" <Andrew@discussions.microsoft.com> schrieb:
> In VB, we have InputBox to allow a user to input text. Do we have a
> similar
> one in VC#.net? Obviously, MessageBox can not do it.

If you are lazy, add a reference to "Microsoft.VisualBasic.dll" and use
'Microsoft.VisualBasic.Interaction.InputBox'...

Signature

M S   Herfried K. Wagner
M V P  <URL:http://dotnet.mvps.org/>
V B   <URL:http://dotnet.mvps.org/dotnet/faqs/

Tim Wilson - 01 Dec 2004 16:42 GMT
If you want, you can actually still use the VB InputBox. Just include a
reference to the "Microsoft.VisualBasic.dll" assembly.

string s = Microsoft.VisualBasic.Interaction.InputBox("Message", "Title",
"Default", 0, 0);

Signature

Tim Wilson
.Net Compact Framework MVP

> In VB, we have InputBox to allow a user to input text. Do we have a similar
> one in VC#.net? Obviously, MessageBox can not do it.
>
> Thanks.

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