Multi-line InputBox control - MC++

• Download MC++ project - 5 Kb
• Download C# demo project - 6 Kb

Screenshots

Normal single-line InputBox

Multi-line InputBox

Demo app

Using the class

Just add a reference to InputBox.dll in your project. The class is part of the namespace CodeProject.WinForms. So you might want to add

using CodeProject.WinForms

using namespace 
CodeProject.Winforms 

InputBox Constructor

InputBox(); - This creates a normal InputBox with a single Input Line
InputBox(bool); - Depending on the bool you pass, this overload will create a multi-line InputBox if you pass true and a single line InputBox if you pass false

Example:-

InputBox m_ib = new InputBox();
InputBox m_multi_ib = new InputBox(true);

Show() - The key function

This has two overloads.

String* Show(String* prompt);<br>
String* Show(String* prompt, String* title);

prompt - This is the prompt text that will appear in the InputBox. It's a Label control and thus it will word wrap.

title - This is the window title of the InputBox

Return Value

The String that was entered is returned, if the OK button was clicked. If the Cancel button was clicked an empty string is returned.

Sample Code

InputBox m_ib = new InputBox(true);
this.textBox2.Text = m_ib.Show("Enter your address please.",
    "Your address");

The class structure

// InputBox.h

#pragma once

using namespace System;
using namespace System::ComponentModel;
using namespace System::Drawing;
using namespace System::Windows::Forms;


namespace CodeProject
{
    namespace WinForms
    {
        public __gc class InputBox
        {
        private:
            Form* InputForm;
            TextBox* InputText;
            Label* PromptText;
            Button* BtnOk;
            Button* BtnCancel;
            bool m_multiline;

            void InitializeComponent();
            String* Show();
            void BtnOk_Click(Object* sender,
                EventArgs* e);
            void BtnCancel_Click(Object* sender,
                EventArgs* e);
        public:
            InputBox();
            InputBox(bool);
            String* Show(String* prompt);
            String* Show(String* prompt, String* title);
            
        };
    }
}