ValidationDragDropBlock Event (GcSpreadSheet)

Visual Basic
C#

'Declaration
 
Public Event ValidationDragDropBlock As EventHandler(Of ValidationDragDropBlockEventArgs)

'Usage
 
Dim instance As GcSpreadSheet
Dim handler As EventHandler(Of ValidationDragDropBlockEventArgs)
 
AddHandler instance.ValidationDragDropBlock, handler

public event EventHandler<ValidationDragDropBlockEventArgs> ValidationDragDropBlock

The event handler receives an argument of type ValidationDragDropBlockEventArgs containing data related to this event. The following ValidationDragDropBlockEventArgs properties provide information specific to this event.

Property	Description
ColumnCount	Gets the column count of the cell range being dragged.
Copy	Gets whether the source range is copied.
FromColumn	Gets the column index of the top left cell of the source range (range being dragged).
FromRow	Gets the row index of the top left cell of the source range (range being dragged).
Handle	Gets or sets whether the event is handled.
Insert	Gets whether the source range is inserted.
InvalidMessage	Gets or sets the invalid message.
IsInvalid	Gets or sets whether the value is valid.
RowCount	Gets the row count of the cell range being dragged.
ToColumn	Gets the column index of the bottom right cell of the destination range (where selection is dropped).
ToRow	Gets the row index of the top left cell of the destination range (where selection is dropped).

This example uses the ValidationDragDropBlock event. Drag and move the validator in cell (1,1) to see the event code.

C#
VB.NET

private void Grid_Loaded_1(object sender, RoutedEventArgs e)
        {
            var valid1 = GrapeCity.Xaml.SpreadSheet.Data.DataValidator.CreateNumberValidator(GrapeCity.Xaml.SpreadSheet.Data.ComparisonOperator.GreaterThan, "5", "20", true);
            GcSpreadSheet1.Sheets[0].Cells[1, 1].DataValidator = valid1;
            GcSpreadSheet1.Sheets[0].Cells[1, 0].Text = "A number greater than 5 is valid.";
        }

        private void GcSpreadSheet1_ValidationPasting(object sender, GrapeCity.Xaml.SpreadSheet.UI.ValidationPastingEventArgs e)
        {
            TextBox1.Text = e.IsInvalid.ToString();
        }

        private void GcSpreadSheet1_ValidationDragDropBlock(object sender, GrapeCity.Xaml.SpreadSheet.UI.ValidationDragDropBlockEventArgs e)
        {
            TextBox1.Text = e.RowCount.ToString();
        }

Dim valid1 = GrapeCity.Xaml.SpreadSheet.Data.DataValidator.CreateNumberValidator(GrapeCity.Xaml.SpreadSheet.Data.ComparisonOperator.GreaterThan, "5", "20", True)
GcSpreadSheet1.Sheets(0).Cells(1, 1).DataValidator = valid1
GcSpreadSheet1.Sheets(0).Cells(1, 0).Text = "A number greater than 5 is valid."

Private Sub GcSpreadSheet1_ValidationPasting(sender As Object, e As GrapeCity.Xaml.SpreadSheet.UI.ValidationPastingEventArgs) Handles GcSpreadSheet1.ValidationPasting
TextBox1.Text = e.IsInvalid.ToString()
End Sub

Private Sub GcSpreadSheet1_ValidationDragDropBlock(sender As Object, e As GrapeCity.Xaml.SpreadSheet.UI.ValidationDragDropBlockEventArgs) Handles GcSpreadSheet1.ValidationDragDropBlock
TextBox1.Text = e.RowCount.ToString()
End Sub

Target Platforms: Windows Server 2012, Windows RT

Reference

GcSpreadSheet Class
GcSpreadSheet Members