[Controls] [VB.NET] DataGridView 컨트롤에서 행 끌어서 이동
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2020-02-23 16:54
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Private fromIndex As Integer
Private dragIndex As Integer
Private dragRect As Rectangle
Private Sub DataGridView1_DragDrop(ByVal sender As Object,
ByVal e As DragEventArgs) _
Handles DataGridView1.DragDrop
Dim p As Point = DataGridView1.PointToClient(New Point(e.X, e.Y))
dragIndex = DataGridView1.HitTest(p.X, p.Y).RowIndex
If (e.Effect = DragDropEffects.Move) Then
Dim dragRow As DataGridViewRow = e.Data.GetData(GetType(DataGridViewRow))
DataGridView1.Rows.RemoveAt(fromIndex)
DataGridView1.Rows.Insert(dragIndex, dragRow)
End If
End Sub
Private Sub DataGridView1_DragOver(ByVal sender As Object,
ByVal e As DragEventArgs) _
Handles DataGridView1.DragOver
e.Effect = DragDropEffects.Move
End Sub
Private Sub DataGridView1_MouseDown(ByVal sender As Object,
ByVal e As MouseEventArgs) _
Handles DataGridView1.MouseDown
fromIndex = DataGridView1.HitTest(e.X, e.Y).RowIndex
If fromIndex > -1 Then
Dim dragSize As Size = SystemInformation.DragSize
dragRect = New Rectangle(New Point(e.X - (dragSize.Width / 2),
e.Y - (dragSize.Height / 2)),
dragSize)
Else
dragRect = Rectangle.Empty
End If
End Sub
Private Sub DataGridView1_MouseMove(ByVal sender As Object,
ByVal e As MouseEventArgs) _
Handles DataGridView1.MouseMove
If (e.Button And MouseButtons.Left) = MouseButtons.Left Then
If (dragRect <> Rectangle.Empty _
AndAlso Not dragRect.Contains(e.X, e.Y)) Then
DataGridView1.DoDragDrop(DataGridView1.Rows(fromIndex),
DragDropEffects.Move)
End If
End If
End Sub
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