This example uses the GetSelectedAnnotationFillStyle method to determine whether a selected image or filled rectangle annotation is opaque or transparent, and the SetSelectedAnnotationFillStyle method to change the fill style.
'Private Sub Form_Load()
'This example would determine whether a selected annotation
'image or filled rectangle is opaque or transparent and
'would allow that attribute to be changed. The form used
'would have 2 option buttons -- one labeled "Opaque" and one
'labeled "Transparent".
Dim FillStyle As AnnotationStyleConstants
'Determine if the selected image annotation is opaque or
'transparent and set the corresponding option button on
'the form.
FillStyle = frmMain.ImgEdit1.GetSelectedAnnotationFillStyle
If FillStyle = wiOpaque Then
optOpaque.Value = True
Else
optTransparent.Value = True
End If
frmFillStyle.Show
End Sub
Private Sub optOpaque_Click()
'If the user clicks on the Opaque option button the annotation
'is changed to be opaque.
frmMain.ImgEdit1.SetSelectedAnnotationFillStyle wiOpaque
End Sub