Create a Task that Finds Files in Workflow States Example (VB.NET)
This example shows how to create a task add-in that finds
files that have been in specified workflow states a specified number of
days.
'--------------------------------------------------------------------------------------
' Preconditions:
' 1. Start Microsoft Visual Studio 2010.
' 2. Click File > New > Project > Visual Basic > Class Library.
' 3. Select .NET Framework 2.0 in the top dropdown.
' 4. Click Browse and navigate to the folder where to create the project.
' 5. Type StateAgeTask in Name.
' 6. Click OK.
' 7. Right-click the project in the Solution Explorer and click Add > User Control.
' 8. In the Add New Item dialog, keep the default name and click Add.
' 9. Create a user
control similar to the one shown above and change:
' a. Top label to WorkflowLabel.
' b. Combo box to WorkflowsComboBox.
' c. Second label to StatesLabel.
' d. List box to StatesListBox.
' e. Third label to DaysLabel.
' f. Numeric spin box to DaysNumericUpDown.
' 10. Click Show All Files in the Solution Explorer toolbar and expand
UserControl1.vb.
' 11. Replace the code in Class1.vb with this code.
' 12. Replace the code in UserControl1.Designer.vb with this code.
' 13. Replace the code in UserControl1.vb
with this code.
' 14. Right-click the project name in the Solution Explorer and click Add Reference.
' 15. In the Add Reference dialog:
' a. Add the SOLIDWORKS PDM Professional type library as a reference (click COM in the
' left-side panel, click PDMWorks Enterprise nnnn
Type Library,
' and click Add).
' b. Click Close.
' 16. Right-click the project name in the Solution Explorer and click
Properties.
' 17. In the Properties window:
' a. On the Application tab, click Assembly Information.
' b. De-select Make assembly COM-Visible.
' c. On the Compile tab, select Register for COM
interop.
' 18. Save the project.
' 19. To populate the GUID
attribute, click Tools > Create GUID in the IDE,
' select GUID Format
6, click Copy, and click Exit. Replace
<Guid("")>
with
' the copied string.
' 20. Click Build > Build Solution.
'
' Postconditions:
' 1. Open the SOLIDWORKS PDM Professional Administration tool, expand a vault_name node,
' and log in as Admin.
' 2. Under
vault_name, right-click Add-ins and click New Add-in.
' a. Navigate to the
bin\Debug directory of your built
project.
' b. Click Interop.EdmLib.dll and StateAgeTask.dll.
' c. Click Open.
' d. Click OK.
' 3. Click OK after
reading the SOLIDWORKS PDM Professional warning dialog.
' 4. In the taskbar notification area:
' a. Click the SOLIDWORKS PDM Professional icon.
' b. Click Task Host Configuration.
' c. Select vault_name in the File Vault
dropdown.
' d. Select Permit next to the add-in you just
installed.
' e. Click OK.
' 5. In the Administration tool under vault_name,
right-click Tasks and click New Task.
' 6. In the New task dialog:
' a. Type State
Age Task in the upper-left text box.
' b. Select the VB.NET Workflow
State Age Task Add-in from the Add-in dropdown.
' c. Click Next.
' d. On the Execution Method properties page, select the
local computer.
' e. Click Next.
' f. On the Scheduling properties page, select This task is not scheduled.
' g. Click Next.
' h. On the Choose states to check page, select the file
search criteria in:
' 1. Choose Workflow.
' 2. Select States.
' 3. Number of Days in State.
' i. Click Next.
' j. On the Permissions property page, select Admin.
' k. Click Next.
' l. On the Success Notification property page:
' 1. Select Notify the user who launched the task.
' 2. In the Subject field, type Success.
' 3. In the Text field, type The task successfully completed at,
type a space,
' click >, and click Current Time.
' m. Click OK to close the New Task dialog.
' 7. Expand vault_name > Tasks and double-click Task List.
' 8. Click Add Task.
' 9. In the Add Task dialog:
'
a. Select State Age Task from the dropdown.
' b. Click OK.
' 10. The task appears in the Pending tasks list. Observe the task status.
' 11. When the task completes, the task moves
to the Completed tasks
' list. After a minute or so, the
logged-in user receives a notification
' with the list of files that have been in
the specified workflow states a
' specified number of days.
'---------------------------------------------------------------------------------------
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'UserControl1.vb
Imports EdmLib
' Setup page used in the task setup and task details dialogs must be a
' System.Windows.Forms.UserControl
Public Class SetupPage
Private mVault As IEdmVault7
Private mTaskProps As IEdmTaskProperties
Private mTaskInst As IEdmTaskInstance
' Constructor called from task setup
Public Sub New(ByVal Vault As IEdmVault7, _
ByVal Props As IEdmTaskProperties)
Try
InitializeComponent()
mVault = Vault
mTaskProps = Props
mTaskInst = Nothing
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
' Constructor called from task details
Public Sub New(ByVal Vault As IEdmVault7, _
ByVal Props As IEdmTaskInstance)
Try
InitializeComponent()
mVault = Vault
mTaskProps = Nothing
mTaskInst = Props
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Public Sub LoadData(ByVal poCmd As EdmCmd)
Try
'Add the names of the available workflows
to WorkflowsComboBox
WorkflowsComboBox.Items.Clear()
Dim WorkflowMgr As IEdmWorkflowMgr6
WorkflowMgr = mVault.CreateUtility( _
EdmUtility.EdmUtil_WorkflowMgr)
Dim WorkflowPos As IEdmPos5 = _
WorkflowMgr.GetFirstWorkflowPosition()
While Not WorkflowPos.IsNull
Dim Workflow As IEdmWorkflow6
Workflow = _
WorkflowMgr.GetNextWorkflow(WorkflowPos)
WorkflowsComboBox.Items.Add(Workflow.Name)
End While
Dim SelectedWorkflow As String = ""
Dim NoDays As String = ""
If Not mTaskProps Is Nothing Then
'Retrieve the name of the workflow that was
'selected by the user
SelectedWorkflow = _
mTaskProps.GetValEx("SelectedWorkflowVar")
'Retrieve the number of days in a state
'before sending a message
NoDays = mTaskProps.GetValEx("NoDaysVar")
ElseIf Not mTaskInst Is Nothing Then
'Retrieve the name of the workflow that
'was selected by the user
SelectedWorkflow = _
mTaskInst.GetValEx("SelectedWorkflowVar")
'Retrieve the number of days in a state
'before sending a message
NoDays = mTaskInst.GetValEx("NoDaysVar")
End If
'Select the workflow to display in
'WorkflowsComboBox; setting this also
'causes SetupPage::WorkflowsComboBox_SelectedIndexChanged
'to be called to
fill StatesListBox
'with the available states for this workflow
If SelectedWorkflow = "" Then
WorkflowsComboBox.SelectedIndex = 0
Else
WorkflowsComboBox.Text = SelectedWorkflow
End If
'Retrieve the number of days in a state
'before sending a message
If IsNumeric(NoDays) Then
DaysNumericUpDown.Value = _
Convert.ToDecimal(NoDays)
Else
DaysNumericUpDown.Value = 0
End If
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Public Sub StoreData()
Try
'Add the selected states to StatesList
Dim StatesList As String = ""
For Each SelectedStateIndex As Integer _
In StatesListBox.SelectedIndices
StatesList += _
StatesListBox.Items(SelectedStateIndex) + _
vbCrLf
Next
'Save the states selected by the user
mTaskProps.SetValEx("SelectedStatesVar", _
StatesList)
'Save the workflow selected by the user
mTaskProps.SetValEx("SelectedWorkflowVar", _
WorkflowsComboBox.Text)
'Save the number of days selected by the user
mTaskProps.SetValEx("NoDaysVar", _
DaysNumericUpDown.Value.ToString())
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub WorkflowsComboBox_SelectedIndexChanged( _
ByVal sender As System.Object, _
ByVal e As System.EventArgs) _
Handles WorkflowsComboBox.SelectedIndexChanged
Try
'Find the IEdmWorkflow corresponding to the
'selected workflow name
Dim WorkflowMgr As IEdmWorkflowMgr6
WorkflowMgr = mVault.CreateUtility( _
EdmUtility.EdmUtil_WorkflowMgr)
Dim WorkflowPos As IEdmPos5 = _
WorkflowMgr.GetFirstWorkflowPosition()
Dim Workflow As IEdmWorkflow6 = Nothing
Dim SelectedWorkflow As IEdmWorkflow6 = Nothing
While Not WorkflowPos.IsNull
Workflow = _
WorkflowMgr.GetNextWorkflow(WorkflowPos)
If Workflow.Name = WorkflowsComboBox.Text Then
SelectedWorkflow = Workflow
Exit While
End If
End While
'Add the names of the available states for the
'selected workflow to StatesListBox
StatesListBox.Items.Clear()
If Not SelectedWorkflow Is Nothing Then
Dim StatePos As IEdmPos5 = _
SelectedWorkflow.GetFirstStatePosition()
While Not StatePos.IsNull
Dim State As IEdmState6
State = SelectedWorkflow.GetNextState(StatePos)
StatesListBox.Items.Add(State.Name)
End While
End If
Dim SelectedStates As String = ""
If Not mTaskProps Is Nothing Then
SelectedStates = _
mTaskProps.GetValEx("SelectedStatesVar")
ElseIf Not mTaskInst Is Nothing Then
SelectedStates = _
mTaskInst.GetValEx("SelectedStatesVar")
End If
Dim States As Object = _
Split(SelectedStates, vbCrLf)
For Each State As String In States
If Not Trim(State) = "" Then
StatesListBox.SelectedItems.Add(State)
End If
Next
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Public Sub DisableControls()
Try
WorkflowsComboBox.Enabled = False
StatesListBox.Enabled = False
DaysNumericUpDown.Enabled = False
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
End Class
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'UserControl1.Designer.vb
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class SetupPage
Inherits System.Windows.Forms.UserControl
'UserControl overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
Try
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
Finally
MyBase.Dispose(disposing)
End Try
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'NOTE: The following procedure is required by the Windows Form Designer;
'It can be modified using the Windows Form Designer;
'Do not modify it using the code editor
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Me.StatesListBox = New System.Windows.Forms.ListBox
Me.WorkflowsComboBox = New System.Windows.Forms.ComboBox
Me.WorkflowLabel = New System.Windows.Forms.Label
Me.StatesLabel = New System.Windows.Forms.Label
Me.DaysLabel = New System.Windows.Forms.Label
Me.DaysNumericUpDown = New System.Windows.Forms.NumericUpDown
CType(Me.DaysNumericUpDown, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'StatesListBox
'
Me.StatesListBox.FormattingEnabled = True
Me.StatesListBox.ItemHeight = 16
Me.StatesListBox.Location = New System.Drawing.Point(25, 119)
Me.StatesListBox.Name = "StatesListBox"
Me.StatesListBox.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended
Me.StatesListBox.Size = New System.Drawing.Size(164, 132)
Me.StatesListBox.TabIndex = 0
'
'WorkflowsComboBox
'
Me.WorkflowsComboBox.FormattingEnabled = True
Me.WorkflowsComboBox.Location = New System.Drawing.Point(25, 43)
Me.WorkflowsComboBox.Name = "WorkflowsComboBox"
Me.WorkflowsComboBox.Size = New System.Drawing.Size(164, 24)
Me.WorkflowsComboBox.TabIndex = 1
'
'WorkflowLabel
'
Me.WorkflowLabel.AutoSize = True
Me.WorkflowLabel.Location = New System.Drawing.Point(27, 15)
Me.WorkflowLabel.Name = "WorkflowLabel"
Me.WorkflowLabel.Size = New System.Drawing.Size(117, 17)
Me.WorkflowLabel.TabIndex = 2
Me.WorkflowLabel.Text = "Choose Workflow"
'
'StatesLabel
'
Me.StatesLabel.AutoSize = True
Me.StatesLabel.Location = New System.Drawing.Point(27, 89)
Me.StatesLabel.Name = "StatesLabel"
Me.StatesLabel.Size = New System.Drawing.Size(101, 17)
Me.StatesLabel.TabIndex = 3
Me.StatesLabel.Text = "Select State(s)"
'
'DaysLabel
'
Me.DaysLabel.AutoSize = True
Me.DaysLabel.Location = New System.Drawing.Point(27, 275)
Me.DaysLabel.Name = "DaysLabel"
Me.DaysLabel.Size = New System.Drawing.Size(162, 17)
Me.DaysLabel.TabIndex = 4
Me.DaysLabel.Text = "Number of Days in State"
'
'DaysNumericUpDown
'
Me.DaysNumericUpDown.Location = New System.Drawing.Point(30, 304)
Me.DaysNumericUpDown.Name = "DaysNumericUpDown"
Me.DaysNumericUpDown.Size = New System.Drawing.Size(159, 22)
Me.DaysNumericUpDown.TabIndex = 5
'
'SetupPage
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 16.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.Controls.Add(Me.DaysNumericUpDown)
Me.Controls.Add(Me.DaysLabel)
Me.Controls.Add(Me.StatesLabel)
Me.Controls.Add(Me.WorkflowLabel)
Me.Controls.Add(Me.WorkflowsComboBox)
Me.Controls.Add(Me.StatesListBox)
Me.Name = "SetupPage"
Me.Size = New System.Drawing.Size(216, 342)
CType(Me.DaysNumericUpDown, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
Me.PerformLayout()
End Sub
Friend WithEvents StatesListBox As System.Windows.Forms.ListBox
Friend WithEvents WorkflowsComboBox As System.Windows.Forms.ComboBox
Friend WithEvents WorkflowLabel As System.Windows.Forms.Label
Friend WithEvents StatesLabel As System.Windows.Forms.Label
Friend WithEvents DaysLabel As System.Windows.Forms.Label
Friend WithEvents DaysNumericUpDown As System.Windows.Forms.NumericUpDown
End Class
'Class1.vb
Imports EdmLib
Imports System.Runtime.InteropServices
<Guid("")>
<ComVisible(True)>
Public Class Class1
Implements IEdmAddIn5
Dim SetupPageObj As SetupPage
Public Sub GetAddInInfo( _
ByRef poInfo As EdmLib.EdmAddInInfo, _
ByVal poVault As EdmLib.IEdmVault5, _
ByVal poCmdMgr As EdmLib.IEdmCmdMgr5) _
Implements EdmLib.IEdmAddIn5.GetAddInInfo
Try
poInfo.mbsAddInName = "VB.NET Workflow State Age Task Add-In"
poInfo.mbsCompany = "Dassault Systemes"
poInfo.mbsDescription = "Example demonstrates " _
+ "a scheduled task that finds files that have been in selected workflow states a selected number of days"
poInfo.mlAddInVersion = 1
'Minimum SOLIDWORKS PDM Professional version
'needed for tasks is 10.0
poInfo.mlRequiredVersionMajor = 10
poInfo.mlRequiredVersionMinor = 0
'Register to call OnCmd on task-related events
poCmdMgr.AddHook(EdmCmdType.EdmCmd_TaskSetup)
poCmdMgr.AddHook(EdmCmdType.EdmCmd_TaskSetupButton)
poCmdMgr.AddHook(EdmCmdType.EdmCmd_TaskRun)
poCmdMgr.AddHook(EdmCmdType.EdmCmd_TaskDetails)
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Public Sub OnCmd(ByRef poCmd As EdmLib.EdmCmd, _
ByRef ppoData As System.Array) _
Implements EdmLib.IEdmAddIn5.OnCmd
Try
Select Case poCmd.meCmdType
'Called from the Administration tool when
'the user selects this task add-in from the
'drop-down list and whenever this task is
'subsequently edited in the Administration tool
Case EdmCmdType.EdmCmd_TaskSetup
OnTaskSetup(poCmd, ppoData)
'Sent when the user clicks OK or
'Cancel in the task property dialog box
Case EdmCmdType.EdmCmd_TaskSetupButton
OnTaskSetupButton(poCmd, ppoData)
'Called whenever an instance of the
'task is run
Case EdmCmdType.EdmCmd_TaskRun
OnTaskRun(poCmd, ppoData)
'Called from the Task List in the
'Administration tool whenever the task details
'dialog is displayed
Case EdmCmdType.EdmCmd_TaskDetails
OnTaskDetails(poCmd, ppoData)
End Select
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub OnTaskSetup(ByRef poCmd As EdmCmd, _
ByRef ppoData As System.Array)
Try
Dim props As IEdmTaskProperties = poCmd.mpoExtra
If Not props Is Nothing Then
'Set the task properties
props.TaskFlags = _
EdmTaskFlag.EdmTask_SupportsScheduling + _
EdmTaskFlag.EdmTask_SupportsDetails
SetupPageObj = New SetupPage( _
poCmd.mpoVault, props)
'Force immediate creation of the control
'and its handle
SetupPageObj.CreateControl()
SetupPageObj.LoadData(poCmd)
Dim pages(0) As EdmTaskSetupPage
'Name that appears in the
'navigation pane of the Add
Task dialog
'in the Administration tool
pages(0).mbsPageName = "Choose states to check"
pages(0).mlPageHwnd = SetupPageObj.Handle.ToInt32
pages(0).mpoPageImpl = SetupPageObj
props.SetSetupPages(pages)
End If
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub OnTaskSetupButton(ByRef poCmd As EdmCmd, _
ByRef ppoData As System.Array)
Try
'Custom setup page, SetupPageObj, is created
'in method SetupPage::OnTaskSetup; SetupPage::StoreData
'saves the contents of the list box to poCmd.mpoExtra
'in the IEdmTaskProperties interface
If poCmd.mbsComment = "OK" And _
Not SetupPageObj Is Nothing Then
SetupPageObj.StoreData()
End If
SetupPageObj = Nothing
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub OnTaskRun(ByRef poCmd As EdmCmd, _
ByRef ppoData As System.Array)
Try
Dim TaskInstance As IEdmTaskInstance
TaskInstance = poCmd.mpoExtra
If Not TaskInstance Is Nothing Then
TaskInstance.SetStatus( _
EdmTaskStatus.EdmTaskStat_Running)
TaskInstance.SetProgressRange(100, 0, _
"Task is running.")
Dim NoDays As String
NoDays = TaskInstance.GetValEx("NoDaysVar")
Dim States As String = ""
States = TaskInstance.GetValEx( _
"SelectedStatesVar")
Dim Items As List(Of EdmSelItem2) = _
New List(Of EdmSelItem2)
DoSearch(poCmd.mpoVault, States, NoDays, Items)
Dim NotificationArray(Items.Count - 1) _
As EdmSelItem2
Items.CopyTo(NotificationArray)
Dim ProgresssMsg As String
If (Items.Count > 0) Then
ProgresssMsg = "Found " + _
Items.Count.ToString() + " files."
Else
ProgresssMsg = ("No files found.")
End If
TaskInstance.SetProgressPos(100, ProgresssMsg)
TaskInstance.SetStatus( _
EdmTaskStatus.EdmTaskStat_DoneOK, 0, "", _
NotificationArray, ProgresssMsg)
End If
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Public Sub DoSearch(ByVal Vault As IEdmVault11, _
ByVal States As String, ByVal Days As String, _
ByVal Items As List(Of EdmSelItem2))
Try
'Calculate date to use in file search
Dim dt As DateTime = DateTime.Today
Dim DaysInt As Integer = Convert.ToInt32(Days) - 1
Dim ts As TimeSpan = New TimeSpan(DaysInt, 0, 0, 0)
dt = dt.Subtract(ts)
'Split States into an array of
strings
Dim StatesObj As Object = Split(States, vbCrLf)
'Search for files
with the specified state age
For Each State As String In StatesObj
'Skip empty strings
If Trim(State) = "" Then
Continue For
End If
Dim Search As IEdmSearch6 = Vault.CreateSearch()
If Search Is Nothing Then Return
Search.FindFiles = True
Search.SetToken( _
EdmSearchToken.Edmstok_StateBefore, dt)
Search.SetToken( _
EdmSearchToken.Edmstok_StateName, State)
Dim SearchResult As IEdmSearchResult5 = _
Search.GetFirstResult()
While Not SearchResult Is Nothing
Dim SelItem As EdmSelItem2 = New EdmSelItem2()
SelItem.mlID = SearchResult.ID
SelItem.mlParentID = SearchResult.ParentFolderID
SelItem.meType = SearchResult.ObjectType
SelItem.mlVersion = SearchResult.Version
Items.Add(SelItem)
SearchResult = Search.GetNextResult()
End While
Next State
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub OnTaskDetails(ByRef poCmd As EdmCmd, _
ByRef ppoData As System.Array)
Try
Dim TaskInstance As IEdmTaskInstance = _
poCmd.mpoExtra
If Not TaskInstance Is Nothing Then
SetupPageObj = New SetupPage( _
poCmd.mpoVault, TaskInstance)
'Force immediate creation of the control
'and its handle
SetupPageObj.CreateControl()
SetupPageObj.LoadData(poCmd)
SetupPageObj.DisableControls()
poCmd.mbsComment = "State Age Details"
poCmd.mlParentWnd = SetupPageObj.Handle.ToInt32()
End If
Catch ex As Runtime.InteropServices.COMException
MsgBox("HRESULT = 0x" + _
ex.ErrorCode.ToString("X") + vbCrLf + _
ex.Message)
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
End Class
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