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


FarPoint.Win.Spread Assembly > FarPoint.Win.Spread.Model Namespace > BaseSheetSelectionModel Class : IsEmpty Method
Determines whether the model has no selections.
Syntax
'Declaration
 
Public Overridable Function IsEmpty() As Boolean
'Usage
 
Dim instance As BaseSheetSelectionModel
Dim value As Boolean
 
value = instance.IsEmpty()
public virtual bool IsEmpty()

Return Value

Boolean: true if no selections in the selection model; false otherwise
Example
This example changes the color of selections if the model is not empty.
FarPoint.Win.Spread.Model.BaseSheetSelectionModel selModel; 
selModel = (FarPoint.Win.Spread.Model.BaseSheetSelectionModel)fpSpread1.ActiveSheet.Models.Selection; 
selModel.SetSelection(0, 0, 3, 3);

bool b;
b = selModel.IsEmpty();
if(b == false)
{
       fpSpread1.ActiveSheet.SelectionStyle = FarPoint.Win.Spread.SelectionStyles.SelectionColors;
       fpSpread1.ActiveSheet.SelectionPolicy = FarPoint.Win.Spread.Model.SelectionPolicy.Range;
       fpSpread1.ActiveSheet.SelectionUnit = FarPoint.Win.Spread.Model.SelectionUnit.Cell;
       fpSpread1.ActiveSheet.SelectionBackColor = Color.Yellow;
}
Dim selModel As FarPoint.Win.Spread.Model.BaseSheetSelectionModel
selModel = fpSpread1.ActiveSheet.Models.Selection
selModel.SetSelection(0, 0, 3, 3)

Dim b As Boolean
b = selModel.IsEmpty()
If b = False Then
       fpSpread1.ActiveSheet.SelectionStyle = FarPoint.Win.Spread.SelectionStyles.SelectionColors
       fpSpread1.ActiveSheet.SelectionPolicy = FarPoint.Win.Spread.Model.SelectionPolicy.Range
       fpSpread1.ActiveSheet.SelectionUnit = FarPoint.Win.Spread.Model.SelectionUnit.Cell
       fpSpread1.ActiveSheet.SelectionBackColor = Color.Yellow
End If
See Also

Reference

BaseSheetSelectionModel Class
BaseSheetSelectionModel Members