Public ReadOnly Property Column As Integer

Dim instance As SubEditorOpeningEventArgs
Dim value As Integer
 
value = instance.Column

public int Column {get;}

public class mySubEd : Form, FarPoint.Win.Spread.CellType.ISubEditor
{
public event EventHandler ValueChanged;
public event EventHandler CloseUp;
private TextBox txt = null;
private Button BtnOk = null;
private Button BtnCancel = null;

public mySubEd()
{
    FormBorderStyle = FormBorderStyle.FixedSingle;
    MaximizeBox = false;
    MinimizeBox = false;
    ControlBox = false;
    txt = new TextBox();
    BtnOk = new Button();
    BtnCancel = new Button();
    txt.Location = new Point(0, 0);
    txt.Size = new Size(110, 200);
    txt.ForeColor = Color.Red;
    BtnOk.Location = new Point(3, 75);
    BtnOk.Size = new Size(50, 25);
    BtnOk.Text = "OK";
    BtnOk.ForeColor = Color.Red;
    BtnCancel.Location = new Point(57, 75);
    BtnCancel.Size = new Size(50, 25);
    BtnCancel.Text = "Cancel";
    BtnCancel.ForeColor = Color.Red;
    Controls.Add(txt);
    Controls.Add(BtnOk);
    Controls.Add(BtnCancel);
    Text = "Editor";
    BtnOk.Click += new EventHandler(OKClicked);
    BtnCancel.Click += new EventHandler(CancelClicked);
    txt.TextChanged += new EventHandler(txtTextChanged);
}

private void OKClicked(object sender, EventArgs e)
{
    if (ValueChanged != null)
    ValueChanged(this, EventArgs.Empty);
    if (CloseUp != null)
    CloseUp(this, EventArgs.Empty);
}

private void CancelClicked(object sender, EventArgs e)
{
    if (CloseUp != null)
    CloseUp(this, EventArgs.Empty);
}

private void txtTextChanged(object sender, EventArgs e)
{
    Text = txt.Text;
}

public Point GetLocation(Rectangle rect)
{
    Point pt = new Point(0);
    Size sz = GetPreferredSize();
    pt.Y = (Screen.PrimaryScreen.WorkingArea.Height/2) - (sz.Height/2);
    pt.X = (Screen.PrimaryScreen.WorkingArea.Width/2) - (sz.Width/2);
    return pt;
}
public Control GetSubEditorControl()
{
    return this;
}
public object GetValue()
{
    return txt.Text;
}
public void SetValue(object value)
{
    value = txt.Text;
}
public Size GetPreferredSize()
{
    return new Size(115, 130);
}
}

private void Form1Load(object sender, System.EventArgs e)
{
    FarPoint.Win.Spread.CellType.TextCellType t = new FarPoint.Win.Spread.CellType.TextCellType();
    t.SubEditor = new mySubEd();
    fpSpread1.ActiveSheet.Cells[0, 0].CellType = t;
}

private void fpSpread1SubEditorOpen(object sender, FarPoint.Win.Spread.SubEditorOpeningEventArgs e) 
{
    textBox1.Text = "The sub editor is in row " + e.Row + " - column " + e.Column;
}

Public Class mySubEd
Inherits Form
Implements FarPoint.Win.Spread.CellType.ISubEditor

Public Event CloseUp(ByVal sender As Object, ByVal e As EventArgs) Implements FarPoint.Win.Spread.CellType.ISubEditor.CloseUp
Public Event ValueChanged(ByVal sender As Object, ByVal e As EventArgs) Implements FarPoint.Win.Spread.CellType.ISubEditor.ValueChanged
Private BtnOk As Button = Nothing
Private BtnCancel As Button = Nothing
Private txt As TextBox = Nothing

Public Sub New()
    FormBorderStyle = FormBorderStyle.FixedSingle
    MaximizeBox = False
    MinimizeBox = False
    ControlBox = False
    txt = New TextBox
    BtnOk = New Button
    BtnCancel = New Button
    txt.Location = New Point(0, 0)
    txt.Size = New Size(110, 200)
    txt.ForeColor = Color.Red
    BtnOk.Location = New Point(3, 75)
    BtnOk.Size = New Size(50, 25)
    BtnOk.Text = "OK"
    BtnOk.ForeColor = Color.Red
    BtnCancel.Location = New Point(57, 75)
    BtnCancel.Size = New Size(50, 25)
    BtnCancel.Text = "Cancel"
    BtnCancel.ForeColor = Color.Red
    Controls.Add(txt)
    Controls.Add(BtnOk)
    Controls.Add(BtnCancel)
    Text = "Editor"
    AddHandler BtnOk.Click, AddressOf OKClicked
    AddHandler BtnCancel.Click, AddressOf CloseClicked
    AddHandler txt.TextChanged, AddressOf txtTextChanged
End Sub

Private Sub OKClicked(ByVal sender As Object, ByVal e As EventArgs)
    RaiseEvent ValueChanged(Me, EventArgs.Empty)
    RaiseEvent CloseUp(Me, EventArgs.Empty)
End Sub

Private Sub CloseClicked(ByVal sender As Object, ByVal e As EventArgs)
    RaiseEvent CloseUp(Me, EventArgs.Empty)
End Sub

Private Sub txtTextChanged(ByVal sender As Object, ByVal e As EventArgs)
    Text = txt.Text
End Sub

Public Function GetLocation(ByVal rect As Rectangle) As Point Implements FarPoint.Win.Spread.CellType.ISubEditor.GetLocation
    Dim pt As New Point(0)
    Dim sz As Size = GetPreferredSize()
    pt.Y = (Screen.PrimaryScreen.WorkingArea.Height / 2) - (sz.Height / 2)
    pt.X = (Screen.PrimaryScreen.WorkingArea.Width / 2) - (sz.Width / 2)
    Return pt
End Function

Public Function GetPreferredSize() As Size Implements FarPoint.Win.Spread.CellType.ISubEditor.GetPreferredSize
    Return New Size(115, 130)
End Function

Public Function GetSubEditorControl() As Control Implements FarPoint.Win.Spread.CellType.ISubEditor.GetSubEditorControl
    Return Me
End Function

Public Function GetValue() As Object Implements FarPoint.Win.Spread.CellType.ISubEditor.GetValue
    Return txt.Text
End Function

Public Sub SetValue(ByVal value As Object) Implements FarPoint.Win.Spread.CellType.ISubEditor.SetValue
    value = txt.Text
End Sub
End Class

Private Sub Form1Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    Dim t As New FarPoint.Win.Spread.CellType.TextCellType
    t.SubEditor = New mySubEd
    FpSpread1.ActiveSheet.Cells(0, 0).CellType = t
End Sub

Private Sub FpSpread1SubEditorOpen(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.SubEditorOpeningEventArgs) Handles
FpSpread1.SubEditorOpen
    TextBox1.Text = "The sub editor is in row " & e.Row & " - column " & e.Column
End Sub