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Retrieve Objects From Component Category Snippet (ArcObjects .NET 10.4 SDK)

ArcObjects Library Reference

Retrieve Objects From Component Category Snippet

[C#]

/// <summary>
/// Get all the objects for a specified component category GUID.
/// </summary>
/// <param name="string_ComponetCategoryGUID">A String that is the component category GUID in the registry format. Example: "{3eea2caf-a730-11d2-af6d-080009ec734b}" is for the ESRI GX Tab Views.</param>
/// <remarks>Note: You can use the ESRI Component Category Manager (C:\Program Files\ArcGIS\Bin\categories.exe) to find the names of the component categories.
/// You can then use the Windows registry editor (C:\WINDOWS\regedit.exe) to search for the ESRI category names and obtain the GUID associated with it.
/// </remarks>
public void RetrieveObjectsFromComponentCategory(System.String string_ComponetCategoryGUID)
{

    // Set up GUID object for the desired component category
    ESRI.ArcGIS.esriSystem.IUID uid=new ESRI.ArcGIS.esriSystem.UIDClass();
    uid.Value=string_ComponetCategoryGUID;

    // Set up the category factory.
    ESRI.ArcGIS.esriSystem.ICategoryFactory categoryFactory=new ESRI.ArcGIS.esriSystem.CategoryFactoryClass();
    categoryFactory.CategoryID=(ESRI.ArcGIS.esriSystem.UID)uid;

    // Go through each member of the category, and do something with it as needed
    object object_Category=categoryFactory.CreateNext();
    while (object_Category != null)
    {

        object_Category=categoryFactory.CreateNext();

        // TODO: process the object retrieved
        // ...

    }
}

[Visual Basic .NET]

''' <summary>
''' Get all the objects for a specified component category GUID.
''' </summary>
''' <param name="string_ComponetCategoryGUID">A String that is the component category GUID in the registry format. Example: "{3eea2caf-a730-11d2-af6d-080009ec734b}" is for the ESRI GX Tab Views.</param>
''' <remarks>Note: You can use the ESRI Component Category Manager (C:\Program Files\ArcGIS\Bin\categories.exe) to find the names of the component categories.
''' You can then use the Windows registry editor (C:\WINDOWS\regedit.exe) to search for the ESRI category names and obtain the GUID associated with it.
''' </remarks>
Public Sub RetrieveObjectsFromComponentCategory(ByVal string_ComponetCategoryGUID As System.String)

  ' Set up GUID object for the desired component category
  Dim uid As ESRI.ArcGIS.esriSystem.IUID=New ESRI.ArcGIS.esriSystem.UIDClass
  uid.Value=string_ComponetCategoryGUID

  ' Set up the category factory.
  Dim categoryFactory As ESRI.ArcGIS.esriSystem.ICategoryFactory=New ESRI.ArcGIS.esriSystem.CategoryFactoryClass
  categoryFactory.CategoryID=CType(uid, ESRI.ArcGIS.esriSystem.UID)

  ' Go through each member of the category, and do something with it as needed
  Dim object_Category As System.Object=categoryFactory.CreateNext
  Do While Not object_Category Is Nothing

    object_Category=categoryFactory.CreateNext

    ' TODO: process the object retrieved
    ' ...

  Loop

End Sub