public FormSetup(FormScan a_formscan, ref TWAIN a_twain, string a_szProductDirectory)
{
TWAIN.STS sts;
string szStatus;
string szCapability;
string szUsrUiSettings;
// Init stuff...
InitializeComponent();
// More init stuff...
this.FormClosing += new FormClosingEventHandler(FormSetup_FormClosing);
// Init more stuff (the order matters). ApplicationData means the following:
// Windows: C:\Users\USERNAME\AppData\Roaming (or C:\Documents and Settings\USERNAME\Application Data on XP)
// Linux: /home/USERNAME/.config (or /root/.config for superuser)
// Mac OS X: /Users/USERNAME/.config (or /var/root/.config for superuser)
m_formscan = a_formscan;
m_twain = a_twain;
m_szTwainscanFolder = Path.Combine(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "twain"), "twaincsscan");
m_szSettingsFolder = Path.Combine(m_szTwainscanFolder, "settings");
m_szSettingsFolder = Path.Combine(m_szSettingsFolder, a_szProductDirectory);
if (!Directory.Exists(m_szTwainscanFolder))
{
try
{
Directory.CreateDirectory(m_szTwainscanFolder);
}
catch (Exception exception)
{
TWAINWorkingGroup.Log.Error("exception - " + exception.Message);
m_szTwainscanFolder = Directory.GetCurrentDirectory();
}
}
// Restore values...
m_textboxFolder.Text = RestoreFolder();
m_textboxUseUiSettings.Text = "";
// Check for support of Custom DS Data...
szStatus = "";
TWAIN.TW_CAPABILITY twcapability = default(TWAIN.TW_CAPABILITY);
m_twain.CsvToCapability(ref twcapability, ref szStatus, "CAP_CUSTOMDSDATA,0,0,0");
sts = m_twain.DatCapability(TWAIN.DG.CONTROL, TWAIN.MSG.GETCURRENT, ref twcapability);
szCapability = m_twain.CapabilityToCsv(twcapability, true);
if ((sts != TWAIN.STS.SUCCESS) || (!szCapability.EndsWith(",1") && !szCapability.EndsWith(",TRUE")))
{
m_labelUseUiSettings.Enabled = false;
m_textboxUseUiSettings.Enabled = false;
m_buttonSaveUiSettings.Enabled = false;
m_buttonUseUiSettings.Enabled = false;
}
// Restore the last saved snapshot...
else
{
m_textboxUseUiSettings.Text = RestoreSetting();
if (m_textboxUseUiSettings.Text != "")
{
szUsrUiSettings = Path.Combine(m_szSettingsFolder, m_textboxUseUiSettings.Text);
if (File.Exists(szUsrUiSettings))
{
m_formscan.RestoreSnapshot(szUsrUiSettings);
}
else
{
m_textboxUseUiSettings.Text = "";
}
}
}
}
