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Click or DoubleClick

, 24 Sep 2013 CPOL 6.6K 7
This code processes a Click or a DoubleClick event.
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I wanted to have a control that will process a Click event or a DoubleClick event.  All the solutions I could find on the internet used a rather complicated rollback process.  This is a very simple solution that could be understood by just about anybody.

Using the code

The form uses a label for the control. Just Click or DoubleClick on the label to try it out.  The code has a constant to enable the DoubleClick speed to be altered. 

Public Class frmClickDoubleClick

  Const DOUBLE_CLICK_SPEED As Integer = 250   'mouse DoubleClick speed
  Dim isDoubleTriggered As Boolean = False

  Private Sub labLabel_Click(ByVal sender As Object, _
          ByVal e As System.EventArgs) Handles labLabel.Click
    'delay (250ms) to make sure the DoubleClick code triggers first

    If isDoubleTriggered Then
    'if DoubleClick event triggered then supress the SingleClick code
      isDoubleTriggered = False
      'reset the DoubleClick flag
      Exit Sub
    End If

    Me.BackColor = Color.Coral              'SingleClick code
    Me.Text = "Single Click"
  End Sub

  Private Sub labLabel_DoubleClick(ByVal sender As Object, _
              ByVal e As System.EventArgs) Handles labLabel.DoubleClick
    isDoubleTriggered = True                   'flag the DoubleClick event
    Me.BackColor = Color.Aquamarine            'DoubleClick code
    Me.Text = "Double Click"
  End Sub

End Class 


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Systems Engineer
New Zealand New Zealand
No Biography provided

Comments and Discussions

GeneralMy vote of 5 Pin
Carlos190724-Sep-13 1:54
memberCarlos190724-Sep-13 1:54 

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