Spread Windows Forms 8.0 Product Documentation
IsEmpty Method (BaseSheetSpanModel)
Example 


Determines whether the model is empty of cell spans.
Syntax
'Declaration
 
Public Overridable Function IsEmpty() As Boolean
'Usage
 
Dim instance As BaseSheetSpanModel
Dim value As Boolean
 
value = instance.IsEmpty()
public virtual bool IsEmpty()

Return Value

Boolean: true if the no spans in the span model; false otherwise
Example
This example illustrates the use of this member by returning if there are any spans in the model.
private void menuItem1_Click(object sender, System.EventArgs e)
{
    FarPoint.Win.Spread.Model.BaseSheetSpanModel spanModel;
    spanModel = (FarPoint.Win.Spread.Model.BaseSheetSpanModel)fpSpread1.ActiveSheet.Models.Span;
    spanModel.Add(0, 0, 2, 2);
}

private void menuItem2_Click(object sender, System.EventArgs e)
{
    FarPoint.Win.Spread.Model.BaseSheetSpanModel spanModel;
    bool b;
    spanModel = (FarPoint.Win.Spread.Model.BaseSheetSpanModel)fpSpread1.ActiveSheet.Models.Span;
    b = spanModel.IsEmpty();
    listBox1.Items.Add(b.ToString());
}
Private Sub MenuItem1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem1.Click
    Dim spanModel As FarPoint.Win.Spread.Model.BaseSheetSpanModel
    spanModel = FpSpread1.ActiveSheet.Models.Span
    spanModel.Add(0, 0, 2, 2)
End Sub

Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click
    Dim spanModel As FarPoint.Win.Spread.Model.BaseSheetSpanModel
    Dim b As Boolean
    spanModel = FpSpread1.ActiveSheet.Models.Span
    b = spanModel.IsEmpty()
    ListBox1.Items.Add(b.ToString())
End Sub
Requirements

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

See Also

Reference

BaseSheetSpanModel Class
BaseSheetSpanModel Members

 

 


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