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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
namespace WindowsApplication1
{
#region InputBox return result
/// <summary>
/// Class used to store the result of an InputBox.Show message.
/// </summary>
public class InputBoxResult
{
public DialogResult ReturnCode;
public string Text;
}
#endregion
/// <summary>
/// Summary description for InputBox.
/// </summary>
public class InputBox
{
#region Private Windows Contols and Constructor
// Create a new instance of the form.
private static Form frmInputDialog;
private static Label lblPrompt;
private static Button btnOK;
private static Button btnCancel;
private static TextBox txtInput;
public InputBox()
{
}
#endregion
#region Private Variables
private static string _formCaption = string.Empty;
private static string _formPrompt = string.Empty;
private static InputBoxResult _outputResponse = new InputBoxResult();
private static string _defaultValue = string.Empty;
private static int _xPos = -1;
private static int _yPos = -1;
#endregion
#region Windows Form code
private static void InitializeComponent()
{
// Create a new instance of the form.
frmInputDialog = new Form();
lblPrompt = new Label();
btnOK = new Button();
btnCancel = new Button();
txtInput = new TextBox();
frmInputDialog.SuspendLayout();
//
// lblPrompt
//
lblPrompt.Anchor = ((AnchorStyles)((((AnchorStyles.Top | AnchorStyles.Bottom) | AnchorStyles.Left) | AnchorStyles.Right)));
lblPrompt.BackColor = SystemColors.Control;
lblPrompt.Font = new Font("Microsoft Sans Serif", 8.25F, FontStyle.Regular, GraphicsUnit.Point, ((Byte)(0)));
lblPrompt.Location = new Point(12, 9);
lblPrompt.Name = "lblPrompt";
lblPrompt.Size = new Size(302, 82);
lblPrompt.TabIndex = 3;
//
// btnOK
//
btnOK.DialogResult = DialogResult.OK;
btnOK.FlatStyle = FlatStyle.Popup;
btnOK.Location = new Point(326, 8);
btnOK.Name = "btnOK";
btnOK.Size = new Size(64, 24);
btnOK.TabIndex = 1;
btnOK.Text = "&OK";
btnOK.Click += new EventHandler(btnOK_Click);
//
// btnCancel
//
btnCancel.DialogResult = DialogResult.Cancel;
btnCancel.FlatStyle = FlatStyle.Popup;
btnCancel.Location = new Point(326, 40);
btnCancel.Name = "btnCancel";
btnCancel.Size = new Size(64, 24);
btnCancel.TabIndex = 2;
btnCancel.Text = "&Cancel";
btnCancel.Click += new EventHandler(btnCancel_Click);
//
// txtInput
//
txtInput.Location = new Point(8, 100);
txtInput.Name = "txtInput";
txtInput.Size = new Size(379, 20);
txtInput.TabIndex = 0;
txtInput.Text = "";
//
// InputBoxDialog
//
frmInputDialog.AutoScaleBaseSize = new Size(5, 13);
frmInputDialog.ClientSize = new Size(398, 128);
frmInputDialog.Controls.Add(txtInput);
frmInputDialog.Controls.Add(btnCancel);
frmInputDialog.Controls.Add(btnOK);
frmInputDialog.Controls.Add(lblPrompt);
frmInputDialog.FormBorderStyle = FormBorderStyle.FixedDialog;
frmInputDialog.MaximizeBox = false;
frmInputDialog.MinimizeBox = false;
frmInputDialog.Name = "InputBoxDialog";
frmInputDialog.ResumeLayout(false);
}
#endregion
#region Private function, InputBox Form move and change size
static private void LoadForm()
{
OutputResponse.ReturnCode = DialogResult.Ignore;
OutputResponse.Text = string.Empty;
txtInput.Text = _defaultValue;
lblPrompt.Text = _formPrompt;
frmInputDialog.Text = _formCaption;
// Retrieve the working rectangle from the Screen class
// using the PrimaryScreen and the WorkingArea properties.
System.Drawing.Rectangle workingRectangle = Screen.PrimaryScreen.WorkingArea;
if((_xPos >= 0 && _xPos < workingRectangle.Width-100) && (_yPos >= 0 && _yPos < workingRectangle.Height-100))
{
frmInputDialog.StartPosition = FormStartPosition.Manual;
frmInputDialog.Location = new System.Drawing.Point(_xPos, _yPos);
}
else
frmInputDialog.StartPosition = FormStartPosition.CenterScreen;
string PrompText = lblPrompt.Text;
int n = 0;
int Index = 0;
while(PrompText.IndexOf("\n",Index) > -1)
{
Index = PrompText.IndexOf("\n",Index)+1;
n++;
}
if( n == 0 )
n = 1;
System.Drawing.Point Txt = txtInput.Location;
Txt.Y = Txt.Y + (n*4);
txtInput.Location = Txt;
System.Drawing.Size form = frmInputDialog.Size;
form.Height = form.Height + (n*4);
frmInputDialog.Size = form;
txtInput.SelectionStart = 0;
txtInput.SelectionLength = txtInput.Text.Length;
txtInput.Focus();
}
#endregion
#region Button control click event
static private void btnOK_Click(object sender, System.EventArgs e)
{
OutputResponse.ReturnCode = DialogResult.OK;
OutputResponse.Text = txtInput.Text;
frmInputDialog.Dispose();
}
static private void btnCancel_Click(object sender, System.EventArgs e)
{
OutputResponse.ReturnCode = DialogResult.Cancel;
OutputResponse.Text = string.Empty; //Clean output response
frmInputDialog.Dispose();
}
#endregion
#region Public Static Show functions
static public InputBoxResult Show(string Prompt)
{
InitializeComponent();
FormPrompt = Prompt;
// Display the form as a modal dialog box.
LoadForm();
frmInputDialog.ShowDialog();
return OutputResponse;
}
static public InputBoxResult Show(string Prompt,string Title)
{
InitializeComponent();
FormCaption = Title;
FormPrompt = Prompt;
// Display the form as a modal dialog box.
LoadForm();
frmInputDialog.ShowDialog();
return OutputResponse;
}
static public InputBoxResult Show(string Prompt,string Title,string Default)
{
InitializeComponent();
FormCaption = Title;
FormPrompt = Prompt;
DefaultValue = Default;
// Display the form as a modal dialog box.
LoadForm();
frmInputDialog.ShowDialog();
return OutputResponse;
}
static public InputBoxResult Show(string Prompt,string Title,string Default,int XPos,int YPos)
{
InitializeComponent();
FormCaption = Title;
FormPrompt = Prompt;
DefaultValue = Default;
XPosition = XPos;
YPosition = YPos;
// Display the form as a modal dialog box.
LoadForm();
frmInputDialog.ShowDialog();
return OutputResponse;
}
#endregion
#region Private Properties
static private string FormCaption
{
set
{
_formCaption = value;
}
} // property FormCaption
static private string FormPrompt
{
set
{
_formPrompt = value;
}
} // property FormPrompt
static private InputBoxResult OutputResponse
{
get
{
return _outputResponse;
}
set
{
_outputResponse = value;
}
} // property InputResponse
static private string DefaultValue
{
set
{
_defaultValue = value;
}
} // property DefaultValue
static private int XPosition
{
set
{
if( value >= 0 )
_xPos = value;
}
} // property XPos
static private int YPosition
{
set
{
if( value >= 0 )
_yPos = value;
}
} // property YPos
#endregion
}
}
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