/// <summary>
/// Create and destroy our toolkit object, as needed...
/// </summary>
/// <param name="a_szDg">Data group</param>
/// <param name="a_szDat">Data argument type</param>
/// <param name="a_szMsg">Operation</param>
private void ManageToolkit(string a_szDg, string a_szDat, string a_szMsg)
{
// Handle MSG_OPENDSM...
if (a_szMsg == "MSG_OPENDSM")
{
// Init stuff...
m_blClosing = false;
// Validate...
if (m_twaincstoolkit != null)
{
WriteTriplet(a_szDg, a_szDat, a_szMsg, "(already open)");
return;
}
// Create our image capture object...
try
{
m_twaincstoolkit = new TWAINCSToolkit
(
this.Handle,
WriteOutput,
ReportImage,
SetMessageFilter,
"TWAIN Working Group",
"TWAIN Sharp",
"TWAIN Sharp Test App",
2,
3,
new string[] { "DF_APP2", "DG_CONTROL", "DG_IMAGE" },
"USA",
"testing...",
"ENGLISH_USA",
1,
0,
m_checkboxUseTwain32.Checked,
m_checkboxUseCallbacks.Checked
);
}
catch
{
WriteTriplet(a_szDg, a_szDat, a_szMsg, "(unable to start)");
m_twaincstoolkit = null;
return;
}
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAINCSToolkit.STS.SUCCESS.ToString());
// Fix our controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
m_checkboxUseTwain32.Enabled = false;
m_checkboxUseCallbacks.Enabled = false;
}
// Help the user...
AutoDropdown(a_szDg, a_szDat, a_szMsg);
}
// Handle MSG_CLOSEDSM...
else if (a_szMsg == "MSG_CLOSEDSM")
{
// Issue the command...
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAINCSToolkit.STS.SUCCESS.ToString());
m_blClosing = true;
m_twaincstoolkit.Cleanup();
m_twaincstoolkit = null;
// Fix our controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
m_checkboxUseTwain32.Enabled = (TWAINCSToolkit.GetMachineWordBitSize() == 32);
m_checkboxUseCallbacks.Enabled = true;
}
// Help the user...
AutoDropdown(a_szDg, a_szDat, a_szMsg);
}
// Handle anything else...
else
{
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAINCSToolkit.STS.BADPROTOCOL.ToString());
}
}
/// <summary>
/// Create and destroy our toolkit object, as needed...
/// </summary>
/// <param name="a_szDg">Data group</param>
/// <param name="a_szDat">Data argument type</param>
/// <param name="a_szMsg">Operation</param>
private void ManageToolkit(string a_szDg, string a_szDat, string a_szMsg)
{
// Handle MSG_OPENDSM...
if (a_szMsg == "MSG_OPENDSM")
{
// Init stuff...
m_blClosing = false;
// Validate...
if (m_twaincstoolkit != null)
{
WriteTriplet(a_szDg, a_szDat, a_szMsg, "(already open)");
return;
}
// Create our image capture object...
try
{
string[] aszTwidentity = m_richtextboxCapability.Text.Split(',');
if ((aszTwidentity == null) || (aszTwidentity.Length < 9))
{
m_twaincstoolkit = new TWAINCSToolkit
(
this.Handle,
WriteOutput,
ReportImage,
SetMessageFilter,
"TWAIN Working Group",
"TWAIN Sharp",
"TWAIN Sharp Test App",
2,
4,
new string[] { "DF_APP2", "DG_CONTROL", "DG_IMAGE" },
"USA",
"testing...",
"ENGLISH_USA",
1,
0,
m_checkboxUseTwain32.Checked,
m_checkboxUseCallbacks.Checked,
RunInUiThread,
this
);
}
else
{
m_twaincstoolkit = new TWAINCSToolkit
(
this.Handle,
WriteOutput,
ReportImage,
SetMessageFilter,
aszTwidentity[0],
aszTwidentity[1],
aszTwidentity[2],
ushort.Parse(aszTwidentity[3]),
ushort.Parse(aszTwidentity[4]),
new string[] { "DF_APP2", "DG_CONTROL", "DG_IMAGE" },
aszTwidentity[6],
aszTwidentity[7],
aszTwidentity[8],
1,
0,
m_checkboxUseTwain32.Checked,
m_checkboxUseCallbacks.Checked,
RunInUiThread,
this
);
}
}
catch (Exception exception)
{
TWAINWorkingGroup.Log.Error("exception - " + exception.Message);
WriteTriplet(a_szDg, a_szDat, a_szMsg, "(unable to start)");
m_twaincstoolkit = null;
return;
}
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAIN.STS.SUCCESS.ToString());
// Fix our controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
m_checkboxUseTwain32.Enabled = false;
m_checkboxUseCallbacks.Enabled = false;
}
// Help the user...
AutoDropdown(a_szDg, a_szDat, a_szMsg);
}
// Handle MSG_CLOSEDSM...
else if (a_szMsg == "MSG_CLOSEDSM")
{
// Issue the command...
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAIN.STS.SUCCESS.ToString());
m_blClosing = true;
m_twaincstoolkit.Cleanup();
m_twaincstoolkit = null;
// Fix our controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
m_checkboxUseTwain32.Enabled = (TWAINCSToolkit.GetMachineWordBitSize() == 32);
m_checkboxUseCallbacks.Enabled = true;
}
// Help the user...
AutoDropdown(a_szDg, a_szDat, a_szMsg);
}
// Handle anything else...
else
{
WriteTriplet(a_szDg, a_szDat, a_szMsg, TWAIN.STS.BADPROTOCOL.ToString());
}
}
///////////////////////////////////////////////////////////////////////////////
// Public Functions...
///////////////////////////////////////////////////////////////////////////////
#region Public Functions...
/// <summary>
/// Init our form, and our TWAIN class. You might want to consider
/// moving TWAIN into its own thread, or even running it from a
/// separate process, so that the main application is always responsive
/// no matter what's going on in the driver...
/// </summary>
public FormMain()
{
ContextMenu contextmenu;
MenuItem menuitem;
// Init our form...
InitializeComponent();
// Make sure we cleanup if unexpectedly closed...
this.FormClosing += new FormClosingEventHandler(FormMain_FormClosing);
// This next bit establishes the rules for the various DSM's on the
// various operating systems.
// Windows controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
m_checkboxUseTwain32.Enabled = (TWAINCSToolkit.GetMachineWordBitSize() == 32);
m_checkboxUseCallbacks.Enabled = true;
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
}
// Linux controls...
else if (TWAINCSToolkit.GetPlatform() == "LINUX")
{
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
m_checkboxUseTwain32.Enabled = false;
m_checkboxUseCallbacks.Enabled = false;
}
// Mac OS X controls...
else if (TWAINCSToolkit.GetPlatform() == "MACOSX")
{
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
m_checkboxUseTwain32.Enabled = false;
m_checkboxUseCallbacks.Enabled = false;
}
// Autoscroll the text in our output box...
m_richtextboxOutput.HideSelection = false;
m_richtextboxOutput.SelectionProtected = false;
// Init other stuff...
m_twaincstoolkit = null;
// Init our image controls...
InitImage();
// Load our triplet dropdown...
this.m_comboboxDG.Items.AddRange(TWAINCSToolkit.GetTwainDg());
this.m_comboboxDAT.Items.AddRange(TWAINCSToolkit.GetTwainDat());
this.m_comboboxMSG.Items.AddRange(TWAINCSToolkit.GetTwainMsg());
// Init our triplet dropdown...
AutoDropdown("", "", "");
// Context menu for our value box...
contextmenu = new ContextMenu();
menuitem = new MenuItem("Copy");
menuitem.Click += new EventHandler(richtextboxcapability_Copy);
contextmenu.MenuItems.Add(menuitem);
menuitem = new MenuItem("Paste");
menuitem.Click += new EventHandler(richtextboxcapability_Paste);
contextmenu.MenuItems.Add(menuitem);
m_richtextboxCapability.ContextMenu = contextmenu;
contextmenu = null;
// Context menu for our output box...
contextmenu = new ContextMenu();
menuitem = new MenuItem("Copy");
menuitem.Click += new EventHandler(richtextboxoutput_Copy);
contextmenu.MenuItems.Add(menuitem);
menuitem = new MenuItem("Paste");
menuitem.Click += new EventHandler(richtextboxoutput_Paste);
contextmenu.MenuItems.Add(menuitem);
m_richtextboxOutput.ContextMenu = contextmenu;
contextmenu = null;
}
///////////////////////////////////////////////////////////////////////////////
// Public Functions...
///////////////////////////////////////////////////////////////////////////////
#region Public Functions...
/// <summary>
/// Init our form, and our TWAIN class. You might want to consider
/// moving TWAIN into its own thread, or even running it from a
/// separate process, so that the main application is always responsive
/// no matter what's going on in the driver...
/// </summary>
public FormMain()
{
ContextMenu contextmenu;
MenuItem menuitem;
// Init our form...
InitializeComponent();
// Open the log in our working folder, and say hi...
TWAINWorkingGroup.Log.Open("TWAINCSTst", ".", 1);
TWAINWorkingGroup.Log.Info("TWAINCSTst v" + System.Reflection.Assembly.GetEntryAssembly().GetName().Version.ToString());
// Make sure we cleanup if unexpectedly closed...
this.FormClosing += new FormClosingEventHandler(FormMain_FormClosing);
// This next bit establishes the rules for the various DSM's on the
// various operating systems.
// Windows controls...
if (TWAINCSToolkit.GetPlatform() == "WINDOWS")
{
// Choose between TWAIN_32 and TWAINDSM, note that we always default
// to the open source TWAIN DSM...
m_checkboxUseTwain32.Enabled = (TWAINCSToolkit.GetMachineWordBitSize() == 32);
m_checkboxUseCallbacks.Enabled = true;
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
}
// Linux controls...
else if (TWAINCSToolkit.GetPlatform() == "LINUX")
{
// We don't give the user control between the DSM versions, because
// the 64-bit problem is handled as seamlessly as possible...
m_checkboxUseTwain32.Enabled = false;
m_checkboxUseCallbacks.Enabled = false;
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
}
// Mac OS X controls...
else if (TWAINCSToolkit.GetPlatform() == "MACOSX")
{
// Choose between /System/Library/Frameworks/TWAIN.framework and
// /Library/Frameworks/TWAINDSM.framework, note that we always default
// to the open source TWAIN DSM...
m_checkboxUseTwain32.Enabled = true;
m_checkboxUseCallbacks.Enabled = false;
m_checkboxUseTwain32.Checked = false;
m_checkboxUseCallbacks.Checked = true;
}
// Autoscroll the text in our output box...
m_richtextboxOutput.HideSelection = false;
m_richtextboxOutput.SelectionProtected = false;
// Init other stuff...
m_twaincstoolkit = null;
// Init our image controls...
InitImage();
// Load our triplet dropdown...
this.m_comboboxDG.Items.AddRange(TWAINCSToolkit.GetTwainDg());
this.m_comboboxDAT.Items.AddRange(TWAINCSToolkit.GetTwainDat());
this.m_comboboxMSG.Items.AddRange(TWAINCSToolkit.GetTwainMsg());
// Init our triplet dropdown...
AutoDropdown("", "", "");
// Context menu for our value box...
contextmenu = new ContextMenu();
menuitem = new MenuItem("Copy");
menuitem.Click += new EventHandler(richtextboxcapability_Copy);
contextmenu.MenuItems.Add(menuitem);
menuitem = new MenuItem("Paste");
menuitem.Click += new EventHandler(richtextboxcapability_Paste);
contextmenu.MenuItems.Add(menuitem);
m_richtextboxCapability.ContextMenu = contextmenu;
contextmenu = null;
// Context menu for our output box...
contextmenu = new ContextMenu();
menuitem = new MenuItem("Copy");
menuitem.Click += new EventHandler(richtextboxoutput_Copy);
contextmenu.MenuItems.Add(menuitem);
menuitem = new MenuItem("Paste");
menuitem.Click += new EventHandler(richtextboxoutput_Paste);
contextmenu.MenuItems.Add(menuitem);
m_richtextboxOutput.ContextMenu = contextmenu;
contextmenu = null;
// Set the capbility box to our app info...
m_richtextboxCapability.Text =
"TWAIN Working Group," +
"TWAIN Sharp," +
"TWAIN Sharp Test App," +
"2," +
"4," +
"0x20000003," +
"USA," +
"testing...," +
"ENGLISH_USA";
}