Platforms to show: All Mac Windows Linux Cross-Platform
Required plugins for this example: MBS Win Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /Win/WIA/List devices
This example is the version from Sun, 17th Mar 2012.
Project "List devices.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
if not TargetWin32 then
MsgBox "This project needs Windows."
end if
End EventHandler
End Class
Class Window1 Inherits Window
Control List Inherits Listbox
ControlInstance List Inherits Listbox
EventHandler Sub ExpandRow(row As Integer)
dim p as WIAPropertyStorageMBS = List.Celltag(row, 0)
dim count as integer
if p<>Nil then
// we look on all children
dim e as WIAPropertyEnumeratorMBS = p.Enumerate
if e<>Nil then
dim n as WIAPropertyMBS = e.NextItem
while n<>Nil
count=count+1
if count>30 then // limit the properties to the first 30 items
Return
end if
// get property value
dim name as string = n.Name
if lenb(name)>0 then
List.AddRow name // a property with name
List.Cell(List.LastIndex,1)=p.Read(name)
else
List.AddRow str(n.ID) // and one with only an ID
List.Cell(List.LastIndex,1)=p.Read(n.id)
end if
n = e.NextItem
wend
end if
end if
End EventHandler
End Control
Control StaticText1 Inherits Label
ControlInstance StaticText1 Inherits Label
End Control
Control PushButton1 Inherits PushButton
ControlInstance PushButton1 Inherits PushButton
EventHandler Sub Action()
dim DeviceDescription, DeviceName as string
dim DeviceID as string
// show dialog to select a device
dim it as WIAItemMBS = DeviceManager2.SelectDeviceDialog(self, DeviceManager2.kDeviceTypeDefault, DeviceManager1.kSelectDeviceNoDefault, DeviceID)
// if we got something, we pick the device name and description
if it<>Nil then
dim p as WIAPropertyStorageMBS = it.PropertyStorage
DeviceName = p.Read(p.kDevicePropertyDevNameString)
DeviceDescription = p.Read(p.kDevicePropertyDevDescString)
end if
if len(DeviceID)>0 then
MsgBox "You selected a device"+EndOfLine+EndOfLine+DeviceID+EndOfLine+DeviceName+EndOfLine+DeviceDescription
end if
End EventHandler
End Control
Control PushButton2 Inherits PushButton
ControlInstance PushButton2 Inherits PushButton
EventHandler Sub Action()
dim DeviceDescription, DeviceName as string
dim DeviceID as string
// show dialog to select a device
dim it as WIAItemMBS = DeviceManager1.SelectDeviceDialog(self, DeviceManager1.kDeviceTypeDefault, DeviceManager1.kSelectDeviceNoDefault, DeviceID)
// if we got something, we pick the device name and description
if it<>Nil then
dim p as WIAPropertyStorageMBS = it.PropertyStorage
DeviceName = p.Read(p.kDevicePropertyDevNameString)
DeviceDescription = p.Read(p.kDevicePropertyDevDescString)
end if
if len(DeviceID)>0 then
MsgBox "You selected a device"+EndOfLine+EndOfLine+DeviceID+EndOfLine+DeviceName+EndOfLine+DeviceDescription
end if
End EventHandler
End Control
EventHandler Sub Open()
DeviceManager1 = new WIADeviceManager1MBS
// Enumerate all local devices
dim e as WIADeviceInfoEnumeratorMBS = DeviceManager1.EnumDeviceInfo(DeviceManager1.kEnumLocal)
if e<>Nil then
dim p as WIAPropertyStorageMBS = e.NextItem
while p<>Nil
// display the name of the device
List.AddFolder p.Read(p.kDevicePropertyDevNameString)
List.CellTag(List.LastIndex,0)=p
p = e.NextItem
wend
end if
DeviceManager2 = new WIADeviceManager2MBS
// Enumerate all local devices
e = DeviceManager2.EnumDeviceInfo(DeviceManager2.kEnumLocal)
if e<>Nil then
dim p as WIAPropertyStorageMBS = e.NextItem
while p<>Nil
// display the name of the device
List.AddFolder p.Read(p.kDevicePropertyDevNameString)
List.CellTag(List.LastIndex,0)=p
p = e.NextItem
wend
end if
End EventHandler
Property DeviceManager1 As WIADeviceManager1MBS
Property DeviceManager2 As WIADeviceManager2MBS
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
End Project
See also:
The items on this page are in the following plugins: MBS Win Plugin.