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- Attribute VB_Name = "VCRModule"
- '**********************************************
- ' Purpose: General module for the VCR sample
- ' application. Contains shared procedures
- '**********************************************
- Option Explicit
-
- ' Instantiate the recorder class
- Public Recorder As New clsRecorder
-
- '**********************************************
- ' Purpose: Enables or disables buttons on the
- ' VCR form based on the current mode.
- ' Inputs: Button: the Command button calling
- ' the procedure.
- '**********************************************
- Sub ButtonManager(Button As Control)
- Dim vntControl As Variant ' Control value
-
- ' determine which function button was pushed
- ' and update all buttons and Recorder class
- Select Case Button
- Case frmVCR.cmdPlay, frmVCR.cmdForward, frmVCR.cmdRewind
- frmVCR.cmdPause.Enabled = True
- frmVCR.cmdStop.Enabled = True
- frmVCR.cmdRec.Enabled = False
- frmVCR.cmdDown.Enabled = False
- frmVCR.cmdUp.Enabled = False
- Recorder.Enabled = False
- Case frmVCR.cmdRec
- frmVCR.cmdPause.Enabled = True
- frmVCR.cmdStop.Enabled = True
- frmVCR.cmdPlay.Enabled = False
- frmVCR.cmdForward.Enabled = False
- frmVCR.cmdRewind.Enabled = False
- frmVCR.cmdDown.Enabled = False
- frmVCR.cmdUp.Enabled = False
- Recorder.Enabled = False
- Case frmVCR.cmdPause
- frmVCR.cmdPause.Enabled = False
- Case frmVCR.cmdStop
- frmVCR.cmdStop.Enabled = False
- frmVCR.cmdPause.Enabled = False
- frmVCR.cmdRec.Enabled = True
- frmVCR.cmdPlay.Enabled = True
- frmVCR.cmdForward.Enabled = True
- frmVCR.cmdRewind.Enabled = True
- frmVCR.cmdDown.Enabled = True
- frmVCR.cmdUp.Enabled = True
- Recorder.Enabled = True
- End Select
- ' assign the button to it's corresponding
- ' shape control
- vntControl = Button.Name
- vntControl = Right$(vntControl, Len(vntControl) - 3)
- vntControl = "shp" & vntControl
- ' call routine to update indicators
- HighlightButton vntControl
- End Sub
- '**********************************************
- ' Purpose: Enables or disables shape controls
- ' on the VCR form based on the current
- ' mode.
- ' Inputs: MyControl: the Shape control passed
- ' to the procedure.
- '**********************************************
- Sub HighlightButton(MyControl As Variant)
- Dim i As Integer ' Counter variable
-
- ' Step through the Controls collection
- For i = 0 To frmVCR.Controls.Count - 1
- ' Test for a Shape control
- If TypeOf frmVCR.Controls(i) Is Shape Then
- ' If it's the passed control, make it
- ' visible, otherwise make it invisible
- If frmVCR.Controls(i).Name = MyControl Then
- frmVCR.Controls(i).Visible = True
- Else
- frmVCR.Controls(i).Visible = False
- End If
- End If
- Next
- End Sub
- '**********************************************
- ' Purpose: Stores the last channel number so
- ' we can restore it after recording.
- ' Inputs: Channel: the channel number passed
- ' to the procedure.
- ' Returns: The channel stored in the Static variable.
- '**********************************************
- Function SaveChannel(Channel As Variant) As Integer
- Static intChannel As Integer 'Stores channel
-
- ' assign the value to the Static variable
- If Channel <> 0 Then
- intChannel = Channel
- End If
-
- ' Return the channel number
- SaveChannel = intChannel
- End Function
-