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  1. G

    Question Set Listbox Checked problem on load, activate, shown event

    Hi, I've been having a problem setting certain items in a listbox as checked when the form is loaded. I have tried putting the code in the form_activate, form_load, and form_shown events and each still crashes when it encounters: Dim m As Integer = 0 Me.lstLineLayers.SetItemChecked(m...
  2. G

    Set property of parent class from child

    Hi, I would like to have a form class that is called from a button on a parent form and would like a button on the child form to set a property on the parent form. Can anyone explain the best way to go about this or direct me to a good article? In the parent class: Private Sub...
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    Question Searching a generic list

    Hi, I have been reading extensively about searching generic lists in VB.NET with the usage of delegates. However, I still cannot seem to grasp how to achieve what I want to, which I believe is frustratingly simple! I have a list populated with instances of an object with three parameters...
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    Question Setting properties of existing class

    Hi there, This is likely a beginner question but here I am anyway. I am programming an extension for ArcGIS Desktop and the extension class instantiates an IPersist (or IPersistVariant) interface that allows parameters from the extension to be stored until next use. I want to use a separate...
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