Spread Windows Forms 11.0 Product Documentation
IsEmpty Method (BaseSheetSpanModel)
Example 


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > BaseSheetSpanModel Class : IsEmpty Method
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
See Also

Reference

BaseSheetSpanModel Class
BaseSheetSpanModel Members