Status: Solved
Priority: Medium
Security: Public
Views: 806
Last Modified: 2009-02-12

DoubleClick and MouseDown

Im using MouseDown, MouseMove and MouseUp to reposition controls on a panel. I also need to use DoubleClick but the problem is the MouseDown-Move-Up sequence is performed when I double click on the control. If someone has some example code for this it would be really nice to see.

Thanks

craigdev

Asked: 2006-07-09

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Visual Basic.NET

1 Solution

LVL 10

vadim63Commented: 2006-07-09

I had the same problem. I've found a good example for DragDrop, but you can use it for any purposes:

" The idea is to wait with starting the DoDragDrop event until the doubleclick event should have fired, if that hasn't fired, then do it. The code, in case other people run into the same problem:

Class variable
Private IsWaitingForDoubleClick As Boolean

Set during load (Add a timer first)
Timer1.Interval = SystemInformation.DoubleClickTime

Private Sub DocList_MouseMove(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DocList.MouseMove
If Not e.Button = MouseButtons.Left Then Return
StartWaitForDoubleClick()
End Sub
Private Sub DocList_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DocList.MouseUp
EndWaitForDoubleclick()
End Sub

Private Sub StartWaitForDoubleClick()
'This remains true until the timer fires, or the mouse button is released
IsWaitingForDoubleClick = True
Timer1.Enabled = True
End Sub
Private Sub EndWaitForDoubleclick()
IsWaitingForDoubleClick = False
End Sub

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
If IsWaitingForDoubleClick Then
IsWaitingForDoubleClick = False
StartDragDrop()
End If
sender.Enabled = False
End Sub

Private Sub StartDragDrop()
DocList.DoDragDrop(DocList.SelectedItems(0),DragDropEffects.Copy)
End Sub

This way the mouseClick and mouseDoubleClick events will fire as normally, and you can put any code you like into there."