Tip

Form calling

Form calling
Robbie Freeland

Reader Robbie Freeland serves up this tip that lets you select a form to load based on what your user does.


You can dynamically load a VB form from any string value. This can be useful when you have an application that has to load one of a multitude of different forms based on different user-defined criteria. You could define the criteria and the form name to serve up in a database and create a very flexible and easily maintained environment.

'Dynamically Load a Form from a String Value

Private Sub Form_Load()
    'There must be a form called frmTest physically
    'in your test project for this to work.
    txtFormName = "frmTest"
End Sub

Private Sub cmdTestFormLoad_Click()
    'txtFormName is the name of a text box
    'residing on your calling form.
    'This could also be any string value, even
    'perhaps one stored in a database.
    LoadFormByName txtFormName
End Sub

Private Sub LoadDynamicForm(newFormName As String)
    
    Dim DynamicForm As Form
    Set DynamicForm = Forms.Add(newFormName)
    'The load statement can not be ommitted
    'in order for this to work as a compiled
    'executable.
    Load DynamicForm
    DynamicForm.Show

End Sub

Thanks Robbie. For your interest in SearchVB, we will forward you a SearchVB denim shirt.

Robbie Freeland is currently a Systems Analyst with First North American National Bank (A Circuit City company). He has 13+ years experience creating solutions for financial institutions using MS Basic and Visual Basic.

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This was first published in January 2001

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