ShowProgressIndicator Method

Enables or disables the display of a progress indicator during the acquisition of images from the current TWAIN source.

Syntax

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

public void ShowProgressIndicator( 
   bool show
)

'Declaration
 
Public Sub ShowProgressIndicator( _
   ByVal show As Boolean _
)

'Usage
 
Dim instance As TwainSession
Dim show As Boolean
 
instance.ShowProgressIndicator(show)

public void ShowProgressIndicator( 
   bool show
)

 function Leadtools.Twain.TwainSession.ShowProgressIndicator( 
   show 
)

public:
void ShowProgressIndicator( 
   bool show
)

Parameters

show: Flag that indicates whether to display a progress indicator during image acquisition from the current TWAIN source. Possible values are:
true: displays the progress indicator during image acquisition.
false: hides the progress indicator during image acquisition

Example

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

Public Sub ShowProgressIndicatorExample(ByVal parent As IWin32Window)
   Dim session As TwainSession = New TwainSession()
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None)

   session.ShowProgressIndicator(True)

   session.Shutdown()
End Sub

public void ShowProgressIndicatorExample(IWin32Window parent)
{
   TwainSession session = new TwainSession();
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None);

   session.ShowProgressIndicator(true);

   session.Shutdown();
}

Requirements

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

TwainSession Class
TwainSession Members
Startup Method
Shutdown Method
Acquire Method
MaximumTransferCount Property
DuplexScanningMode Property
EnableDuplexScanning Property
AcquirePageOptions Property
ImageEffects Property
ImageBitsPerPixel Property
ImageUnit Property
ImageFrame Property
TransferOptions Property
IsTransferModeAvailable Method
Resolution Property