ShowPrecedents Method

Visual Basic
C#

'Declaration
 
Public Sub ShowPrecedents( _
   ByVal sheetIndex As Integer, _
   ByVal row As Integer, _
   ByVal column As Integer _
)

'Usage
 
Dim instance As FpSpread
Dim sheetIndex As Integer
Dim row As Integer
Dim column As Integer
 
instance.ShowPrecedents(sheetIndex, row, column)

public void ShowPrecedents( 
   int sheetIndex,
   int row,
   int column
)

Parameters

sheetIndex: Index of the sheet
row: Index of the row
column: Index of the column

The method shows which cell (indicated by the row and column parameters) this cell references. This method requires the formula text box control.

This example shows the cells that this formula cell references. The formula text box requires a license entry in the licenses.licx file.

C#

 private void Form1_Load(object sender, EventArgs e)
        {
             fpSpread1.Sheets[0].Cells[0, 0, 5, 5].CellType = new FarPoint.Win.Spread.CellType.NumberCellType();
        fpSpread1.Sheets[0].Cells[0, 0].Formula = "B2+B3";
        fpSpread1.Sheets[0].Cells[0, 3].Formula = "A1";
        fpSpread1.Sheets[0].Cells[0, 4].Formula = "D1";

        FarPoint.Win.Spread.FormulaTextBox editor = new FarPoint.Win.Spread.FormulaTextBox();
        editor.Location = new Point(0, 0);
        editor.Size = new Size(80, 20);
        Controls.Add(editor);
        editor.Attach(fpSpread1);           
          
        }

private void button1_Click(object sender, EventArgs e)
        {
             fpSpread1.ShowDependents(0, 0, 0);
             fpSpread1.ShowPrecedents(0, 0, 4);           
        
        }

Visual Basic

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        FpSpread1.Sheets(0).Cells(0, 0, 5, 5).CellType = New FarPoint.Win.Spread.CellType.NumberCellType()
        FpSpread1.Sheets(0).Cells(0, 0).Formula = "B2+B3"
        FpSpread1.Sheets(0).Cells(0, 3).Formula = "A1"
        FpSpread1.Sheets(0).Cells(0, 4).Formula = "D1"

        Dim editor As New FarPoint.Win.Spread.FormulaTextBox
        editor.Location = New Point(0, 0)
        editor.Size = New Size(80, 20)
        Controls.Add(editor)
        editor.Attach(FpSpread1)
End Sub

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click        
        FpSpread1.ShowDependents(0, 0, 0)
        FpSpread1.ShowPrecedents(0, 0, 4)
End Sub

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Reference

FpSpread Class
FpSpread Members