Sample Code - GroupTreeButtonClicked Event

This sample code shows the use of the GroupTreeButtonClicked Event (Window Object). Modify the following sample code to fit your needs.

Dim rpt As CRPEAuto.Report
Dim rptView As CRPEAuto.View
Dim test As Integer

Private Sub GroupTreeButtonClicked_Click()
'Starts up report window for window event GroupTreeButtonClicked

On Error GoTo ErrorHandler
Set rpt = crsApp.OpenReport("c:\crw\reports\xtreme\www.sales.rpt")
rpt.PrintWindowOptions.HasGroupTree = True
test = MsgBox("Event default: Enabled = " & _
    rpt.EventInfo.PrintWindowButtonEventEnabled & _
    Chr(13) & Chr(13) & "Disable event?", vbYesNo)
If test = vbYes Then
rpt.EventInfo.PrintWindowButtonEventEnabled = False
MsgBox "Check event does not occur when group tree button clicked"

Else
rpt.EventInfo.PrintWindowButtonEventEnabled = True
test = MsgBox("Check event occurs when group tree button clicked" & _
        Chr(13) & Chr(13) & "Use default behaviour for test? ", vbYesNo)
If test = vbYes Then
def = True
Else
def = False
End If
End If
Set rptView = rpt.Preview
Set windowEvs = rptView.Parent
Exit Sub ' Exit to avoid handler.

ErrorHandler:
If crsApp.LastErrorCode <> 0 Then
MsgBox "Unexpected application error: " & crsApp.LastErrorCode & _
        "->" & crsApp.LastErrorString
End If
If rpt.LastErrorCode <> 0 Then
MsgBox "Unexpected application error: " & rpt.LastErrorCode & _
        "->" & rpt.LastErrorString
End If
If Err.Number <> 0 Then
MsgBox "Unexpected VB error: " & Err.Number & "->" & Err.Description
End If
Call ResetErr
rpt.ClearError
Resume Next
End Sub

Private Sub windowEvs_GroupTreeButtonClicked(ByVal Visible As Boolean, _
                        useDefault As Boolean)
'executed when group tree button clicked
If def Then
'test for default behaviour:
MsgBox "Window GroupTreeButtonClicked event" & Chr(13) & _
        Chr(13) & "Parameters:" & Chr(13) & "Visible: " & _
        Visible & Chr(13) & "useDefault: " & useDefault & _
        Chr(13) & Chr(13) & "Preview should now show/hide group tree"
Else
'test for no default behaviour:
useDefault = False
MsgBox "Window GroupTreeButtonClicked event" & Chr(13) & _
        Chr(13) & "Parameters:" & Chr(13) & "Visible: " & _
        Visible & Chr(13) & "useDefault: " & useDefault & _
        Chr(13) & Chr(13) & "Preview should NOT show/hide group tree"
End If
End Sub


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