IsInteractiveModeBusy Property

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public virtual bool IsInteractiveModeBusy {get;}

'Declaration
 
Public Overridable ReadOnly Property IsInteractiveModeBusy As Boolean

'Usage
 
Dim instance As ImageViewer
Dim value As Boolean
 
value = instance.IsInteractiveModeBusy

public virtual bool IsInteractiveModeBusy {get;}

 get_IsInteractiveModeBusy();

public:
virtual property bool IsInteractiveModeBusy {
   bool get();
}

Property Value

true if the control is currently performing an interactive operation, false otherwise.

The type of interactive user operation is determined by the InteractiveMode property.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Public Sub BitmapSourceViewer_IsInteractiveModeBusy(ByVal viewer As ImageViewer)
    AddHandler viewer.InteractiveUserRectangle, AddressOf viewer_InteractiveUserRectangle
    viewer.InteractiveMode = InteractiveMode.UserRectangle

    MessageBox.Show("Interactive mode set to draw a rectangular geometry." & Constants.vbLf & "If mouse is dragged up or to the left, interactive mode is cancelled")
End Sub

Private Sub viewer_InteractiveUserRectangle(ByVal sender As Object, ByVal e As RectangleInteractiveEventArgs)
    Console.WriteLine("" & e.Status)
    Dim viewer As ImageViewer = TryCast(sender, ImageViewer)

    Dim ee As RectangleInteractiveEventArgs = New RectangleInteractiveEventArgs(e.Status, e.Bounds)
    If e.Status = InteractiveModeStatus.End Then
        e.Cancel = True
        If (Not viewer.IsInteractiveModeBusy) Then
            MessageBox.Show("Interactive mode (Rectangular geometry) cancelled")
            viewer.InteractiveMode = InteractiveMode.None
        End If
    End If

    Console.WriteLine("" & e.Bounds.Left & ", " & e.Bounds.Top & ", " & e.Bounds.Right & ", " & e.Bounds.Bottom)
End Sub

public void BitmapSourceViewer_IsInteractiveModeBusy(ImageViewer viewer)
{
   viewer.InteractiveUserRectangle += new EventHandler<RectangleInteractiveEventArgs>(viewer_InteractiveUserRectangle);
   viewer.InteractiveMode = InteractiveMode.UserRectangle;

   MessageBox.Show("Interactive mode set to draw a rectangular geometry.\nIf mouse is dragged up or to the left, interactive mode is cancelled");
}

void viewer_InteractiveUserRectangle(object sender, RectangleInteractiveEventArgs e)
{
   Console.WriteLine(@"" + e.Status);
   ImageViewer viewer = sender as ImageViewer;

   RectangleInteractiveEventArgs ee = new RectangleInteractiveEventArgs(e.Status, e.Bounds);
   if (e.Status == InteractiveModeStatus.End)
   {
      e.Cancel = true;
      if (!viewer.IsInteractiveModeBusy)
      {
         MessageBox.Show("Interactive mode (Rectangular geometry) cancelled");
         viewer.InteractiveMode = InteractiveMode.None;
      }
   }

   Console.WriteLine(@"" + e.Bounds.Left + ", " + e.Bounds.Top + ", " + e.Bounds.Right + ", " + e.Bounds.Bottom);
}

public void BitmapSourceViewer_IsInteractiveModeBusy(ImageViewer viewer)
{
   viewer.InteractiveUserRectangle += new EventHandler<RectangleInteractiveEventArgs>(viewer_InteractiveUserRectangle);
   viewer.InteractiveMode = InteractiveMode.UserRectangle;

   MessageBox.Show("Interactive mode set to draw a rectangular geometry.\nIf mouse is dragged up or to the left, interactive mode is cancelled");
}

void viewer_InteractiveUserRectangle(object sender, RectangleInteractiveEventArgs e)
{
   Console.WriteLine(@"" + e.Status);
   ImageViewer viewer = sender as ImageViewer;

   RectangleInteractiveEventArgs ee = new RectangleInteractiveEventArgs(e.Status, e.Bounds);
   if (e.Status == InteractiveModeStatus.End)
   {
      e.Cancel = true;
      if (!viewer.IsInteractiveModeBusy)
      {
         MessageBox.Show("Interactive mode (Rectangular geometry) cancelled");
         viewer.InteractiveMode = InteractiveMode.None;
      }
   }

   Console.WriteLine(@"" + e.Bounds.Left + ", " + e.Bounds.Top + ", " + e.Bounds.Right + ", " + e.Bounds.Bottom);
}

Public Sub BitmapSourceViewer_IsInteractiveModeBusy(ByVal viewer As ImageViewer)
   AddHandler viewer.InteractiveUserRectangle, AddressOf viewer_InteractiveUserRectangle
   viewer.InteractiveMode = InteractiveMode.UserRectangle

   MessageBox.Show("Interactive mode set to draw a rectangular geometry." & Constants.vbLf & _
                   "If mouse is dragged up or to the left, interactive mode is cancelled")
End Sub

Private Sub viewer_InteractiveUserRectangle(ByVal sender As Object, ByVal e As RectangleInteractiveEventArgs)
   Console.WriteLine("" & e.Status)
   Dim viewer As ImageViewer = TryCast(sender, ImageViewer)

   Dim ee As RectangleInteractiveEventArgs = New RectangleInteractiveEventArgs(e.Status, e.Bounds)
   If e.Status = InteractiveModeStatus.End Then
      e.Cancel = True
      If (Not viewer.IsInteractiveModeBusy) Then
         MessageBox.Show("Interactive mode (Rectangular geometry) cancelled")
         viewer.InteractiveMode = InteractiveMode.None
      End If
   End If

   Console.WriteLine("" & e.Bounds.Left & ", " & e.Bounds.Top & ", " & e.Bounds.Right & ", " & e.Bounds.Bottom)
End Sub

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ImageViewer Class
ImageViewer Members