public bool IsScannerAvailible()
{
var Scanner = Configuration.GetDevice(DeviceType.Scanner);
var twain = new Saraff.Twain.Twain32();
var isDsmOpened = false;
try
{
twain.IsTwain2Enable = false;
isDsmOpened = twain.OpenDSM();
twain.ShowUI = false;
}
catch (Exception ex)
{
if (twain != null)
{
twain.CloseDSM();
twain.Dispose();
}
logger.Error(ex);
return(false);
}
if (isDsmOpened)
{
if (!string.IsNullOrEmpty(Scanner.DeviceId))
{
if (twain.SourcesCount >= int.Parse(Scanner.DeviceId) + 1)
{
twain.SourceIndex = int.Parse(Scanner.DeviceId);
}
else
{
return(false);
}
}
else //если мы все-таки папали в ветку else, значит устройства еще не было, нужно сохранить первый попавшийся в конфиг
{
if (twain.SourcesCount != 0)
{
Scanner = new HWDeviceDesciption
{
Device = DeviceType.Scanner,
DeviceId = "0",
Name = twain.GetSourceProductName(0)
};
Configuration.SaveDevice(Scanner);
twain.SourceIndex = 0;
}
}
for (int i = 0; i < twain.SourcesCount; i++)
{
if (Scanner.Name == twain.GetSourceProductName(i))
{
//совпадение по имени выбранного устройства со списком не гарантирует работу сканера. сканер может быть выключен или иметь битый драйвер, например.
if (Scanner.DeviceId == i.ToString())
{
//проверить работу сканера можно здесь...
//неужели начать сканирование и оборвать единственный способ?
twain.AcquireError += twain_AcquireError;
twain.AcquireCompleted += twain_AcquireCompleted;
try
{
if (twain.SourcesCount >= int.Parse(Scanner.DeviceId) + 1)
{
twain.OpenDataSource();
var resolutions = twain.Capabilities.XResolution.Get();
if (resolutions.Count > 0)
{
twain.Capabilities.XResolution.Set((float)resolutions[0]);
twain.Capabilities.YResolution.Set((float)resolutions[0]);
}
this.CheckCompleted = false;
twain.ImageLayout = new RectangleF(new PointF(0, 0), new SizeF(0.2f, 0.2f));
twain.ShowUI = false;
twain.Acquire();
}
else
{
return(false);
}
}
catch (Exception ex)
{
twain.CloseDataSource();
twain.CloseDSM();
twain.Dispose();
logger.Error("Не могу установить соединение со сканером: \n" + ex.Message + "\n Inner exeption: \n" + ex.InnerException);
return(false);
}
while (!this.CheckCompleted)
{
System.Windows.Forms.Application.DoEvents();
}
return(this.IsScanerWork);
}
}
}
// если мы дошли до этого места, значит:
// 1. в конфиге уже сохранено какое-то устройство.
// 2. в списке доступных устройств его нет
// по идеи, ничего делать не нужно, возвращаем false. выбранное устройство не доступно(нет в списке)
//
}
return(false);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.openFileBtn = new System.Windows.Forms.Button();
this.fileNameTextBox = new System.Windows.Forms.TextBox();
this.docTypeComboBox = new System.Windows.Forms.ComboBox();
this.saveButton = new System.Windows.Forms.Button();
this.clearButton = new System.Windows.Forms.Button();
this.twain322 = new Saraff.Twain.Twain32(this.components);
this.scannersButton = new System.Windows.Forms.Button();
this.scanButton = new System.Windows.Forms.Button();
this.scannedPagesLabel = new System.Windows.Forms.Label();
this.filenameLabel = new System.Windows.Forms.Label();
this.typeOfDocumentLabel = new System.Windows.Forms.Label();
this.searchButton = new System.Windows.Forms.Button();
this.searchResultsLabel = new System.Windows.Forms.Label();
this.docDescriptionTextBox = new System.Windows.Forms.RichTextBox();
this.docDescriptionLabel = new System.Windows.Forms.Label();
this.changeDefaultFolderButton = new System.Windows.Forms.Button();
this.documentsInfoTable = new System.Windows.Forms.DataGridView();
this.pdfDisplay = new System.Windows.Forms.WebBrowser();
this.showDocumentButton = new System.Windows.Forms.Button();
this.zoomInBtn = new System.Windows.Forms.Button();
this.zoomOutBtn = new System.Windows.Forms.Button();
this.openFolderBtn = new System.Windows.Forms.Button();
((System.ComponentModel.ISupportInitialize)(this.documentsInfoTable)).BeginInit();
this.SuspendLayout();
//
// openFileBtn
//
this.openFileBtn.Location = new System.Drawing.Point(12, 12);
this.openFileBtn.Name = "openFileBtn";
this.openFileBtn.Size = new System.Drawing.Size(75, 23);
this.openFileBtn.TabIndex = 0;
this.openFileBtn.Text = "Open";
this.openFileBtn.UseVisualStyleBackColor = true;
this.openFileBtn.Click += new System.EventHandler(this.OpenFileButton_Click);
//
// fileNameTextBox
//
this.fileNameTextBox.Location = new System.Drawing.Point(12, 118);
this.fileNameTextBox.Name = "fileNameTextBox";
this.fileNameTextBox.Size = new System.Drawing.Size(156, 20);
this.fileNameTextBox.TabIndex = 2;
//
// docTypeComboBox
//
this.docTypeComboBox.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.docTypeComboBox.FormattingEnabled = true;
this.docTypeComboBox.Items.AddRange(new object[] {
"Certificate",
"Contract",
"Invoice",
"Other"
});
this.docTypeComboBox.Location = new System.Drawing.Point(12, 186);
this.docTypeComboBox.MaxDropDownItems = 10;
this.docTypeComboBox.Name = "docTypeComboBox";
this.docTypeComboBox.Size = new System.Drawing.Size(156, 21);
this.docTypeComboBox.TabIndex = 3;
//
// saveButton
//
this.saveButton.Location = new System.Drawing.Point(12, 243);
this.saveButton.Name = "saveButton";
this.saveButton.Size = new System.Drawing.Size(75, 23);
this.saveButton.TabIndex = 4;
this.saveButton.Text = "Save";
this.saveButton.UseVisualStyleBackColor = true;
this.saveButton.Click += new System.EventHandler(this.SaveButton_Click);
//
// clearButton
//
this.clearButton.Location = new System.Drawing.Point(12, 538);
this.clearButton.Name = "clearButton";
this.clearButton.Size = new System.Drawing.Size(75, 23);
this.clearButton.TabIndex = 5;
this.clearButton.Text = "Clear";
this.clearButton.UseVisualStyleBackColor = true;
this.clearButton.Click += new System.EventHandler(this.ClearButton_Click);
//
// twain322
//
this.twain322.AppProductName = "Saraff.Twain.NET";
this.twain322.Parent = null;
this.twain322.AcquireCompleted += new System.EventHandler(this.Twain322_AcquireCompleted);
//
// scannersButton
//
this.scannersButton.Location = new System.Drawing.Point(228, 12);
this.scannersButton.Name = "scannersButton";
this.scannersButton.Size = new System.Drawing.Size(102, 23);
this.scannersButton.TabIndex = 6;
this.scannersButton.Text = "Scanners";
this.scannersButton.UseVisualStyleBackColor = true;
this.scannersButton.Click += new System.EventHandler(this.ScannersButton_Click);
//
// scanButton
//
this.scanButton.Location = new System.Drawing.Point(228, 41);
this.scanButton.Name = "scanButton";
this.scanButton.Size = new System.Drawing.Size(102, 23);
this.scanButton.TabIndex = 7;
this.scanButton.Text = "Scan";
this.scanButton.UseVisualStyleBackColor = true;
this.scanButton.Click += new System.EventHandler(this.ScanButton_Click);
//
// scannedPagesLabel
//
this.scannedPagesLabel.AutoSize = true;
this.scannedPagesLabel.Location = new System.Drawing.Point(404, 12);
this.scannedPagesLabel.Name = "scannedPagesLabel";
this.scannedPagesLabel.Size = new System.Drawing.Size(85, 13);
this.scannedPagesLabel.TabIndex = 8;
this.scannedPagesLabel.Text = "Scanned pages:";
//
// filenameLabel
//
this.filenameLabel.AutoSize = true;
this.filenameLabel.Location = new System.Drawing.Point(9, 102);
this.filenameLabel.Name = "filenameLabel";
this.filenameLabel.Size = new System.Drawing.Size(55, 13);
this.filenameLabel.TabIndex = 9;
this.filenameLabel.Text = "Filename :";
//
// typeOfDocumentLabel
//
this.typeOfDocumentLabel.AutoSize = true;
this.typeOfDocumentLabel.Location = new System.Drawing.Point(9, 170);
this.typeOfDocumentLabel.Name = "typeOfDocumentLabel";
this.typeOfDocumentLabel.Size = new System.Drawing.Size(99, 13);
this.typeOfDocumentLabel.TabIndex = 10;
this.typeOfDocumentLabel.Text = "Type of document :";
//
// searchButton
//
this.searchButton.Location = new System.Drawing.Point(93, 243);
this.searchButton.Name = "searchButton";
this.searchButton.Size = new System.Drawing.Size(75, 23);
this.searchButton.TabIndex = 11;
this.searchButton.Text = "Search";
this.searchButton.UseVisualStyleBackColor = true;
this.searchButton.Click += new System.EventHandler(this.SearchButton_Click);
//
// searchResultsLabel
//
this.searchResultsLabel.AutoSize = true;
this.searchResultsLabel.Location = new System.Drawing.Point(225, 380);
this.searchResultsLabel.Name = "searchResultsLabel";
this.searchResultsLabel.Size = new System.Drawing.Size(77, 13);
this.searchResultsLabel.TabIndex = 13;
this.searchResultsLabel.Text = "Search results:";
//
// docDescriptionTextBox
//
this.docDescriptionTextBox.Location = new System.Drawing.Point(228, 118);
this.docDescriptionTextBox.Name = "docDescriptionTextBox";
this.docDescriptionTextBox.Size = new System.Drawing.Size(261, 148);
this.docDescriptionTextBox.TabIndex = 14;
this.docDescriptionTextBox.Text = "";
//
// docDescriptionLabel
//
this.docDescriptionLabel.AutoSize = true;
this.docDescriptionLabel.Location = new System.Drawing.Point(225, 102);
this.docDescriptionLabel.Name = "docDescriptionLabel";
this.docDescriptionLabel.Size = new System.Drawing.Size(110, 13);
this.docDescriptionLabel.TabIndex = 15;
this.docDescriptionLabel.Text = "Document description";
//
// changeDefaultFolderButton
//
this.changeDefaultFolderButton.Location = new System.Drawing.Point(12, 497);
this.changeDefaultFolderButton.Name = "changeDefaultFolderButton";
this.changeDefaultFolderButton.Size = new System.Drawing.Size(121, 23);
this.changeDefaultFolderButton.TabIndex = 16;
this.changeDefaultFolderButton.Text = "Change archive folder";
this.changeDefaultFolderButton.UseVisualStyleBackColor = true;
this.changeDefaultFolderButton.Click += new System.EventHandler(this.ChangeDefaultFolderButton_Click);
//
// documentsInfoTable
//
this.documentsInfoTable.AllowUserToAddRows = false;
this.documentsInfoTable.AllowUserToDeleteRows = false;
this.documentsInfoTable.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.DisplayedCells;
this.documentsInfoTable.AutoSizeRowsMode = System.Windows.Forms.DataGridViewAutoSizeRowsMode.DisplayedCells;
this.documentsInfoTable.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.documentsInfoTable.EditMode = System.Windows.Forms.DataGridViewEditMode.EditOnEnter;
this.documentsInfoTable.Location = new System.Drawing.Point(228, 404);
this.documentsInfoTable.Name = "documentsInfoTable";
this.documentsInfoTable.ReadOnly = true;
this.documentsInfoTable.RowHeadersVisible = false;
this.documentsInfoTable.Size = new System.Drawing.Size(537, 157);
this.documentsInfoTable.TabIndex = 18;
this.documentsInfoTable.CellContentClick += new System.Windows.Forms.DataGridViewCellEventHandler(this.DocumentsInfoTable_CellContentClick);
//
// pdfDisplay
//
this.pdfDisplay.Location = new System.Drawing.Point(515, 12);
this.pdfDisplay.MinimumSize = new System.Drawing.Size(20, 20);
this.pdfDisplay.Name = "pdfDisplay";
this.pdfDisplay.ScrollBarsEnabled = false;
this.pdfDisplay.Size = new System.Drawing.Size(250, 297);
this.pdfDisplay.TabIndex = 19;
this.pdfDisplay.DocumentCompleted += new System.Windows.Forms.WebBrowserDocumentCompletedEventHandler(this.PdfDisplay_DocumentCompleted);
//
// showDocumentButton
//
this.showDocumentButton.Location = new System.Drawing.Point(667, 375);
this.showDocumentButton.Name = "showDocumentButton";
this.showDocumentButton.Size = new System.Drawing.Size(98, 23);
this.showDocumentButton.TabIndex = 20;
this.showDocumentButton.Text = "Show Document";
this.showDocumentButton.UseVisualStyleBackColor = true;
this.showDocumentButton.Click += new System.EventHandler(this.ShowDocumentButton_Click);
//
// zoomInBtn
//
this.zoomInBtn.Location = new System.Drawing.Point(694, 315);
this.zoomInBtn.Name = "zoomInBtn";
this.zoomInBtn.Size = new System.Drawing.Size(71, 23);
this.zoomInBtn.TabIndex = 21;
this.zoomInBtn.Text = "zoom in";
this.zoomInBtn.UseVisualStyleBackColor = true;
this.zoomInBtn.Click += new System.EventHandler(this.ZoomInBtn_Click);
//
// zoomOutBtn
//
this.zoomOutBtn.Location = new System.Drawing.Point(515, 315);
this.zoomOutBtn.Name = "zoomOutBtn";
this.zoomOutBtn.Size = new System.Drawing.Size(71, 23);
this.zoomOutBtn.TabIndex = 22;
this.zoomOutBtn.Text = "zoom out";
this.zoomOutBtn.UseVisualStyleBackColor = true;
this.zoomOutBtn.Click += new System.EventHandler(this.ZoomOutBtn_Click);
//
// openFolderBtn
//
this.openFolderBtn.Location = new System.Drawing.Point(515, 375);
this.openFolderBtn.Name = "openFolderBtn";
this.openFolderBtn.Size = new System.Drawing.Size(92, 23);
this.openFolderBtn.TabIndex = 23;
this.openFolderBtn.Text = "Open Folder";
this.openFolderBtn.UseVisualStyleBackColor = true;
this.openFolderBtn.Click += new System.EventHandler(this.OpenFolderButton_Click);
//
// ScanSoftForms
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(777, 573);
this.Controls.Add(this.openFolderBtn);
this.Controls.Add(this.zoomOutBtn);
this.Controls.Add(this.zoomInBtn);
this.Controls.Add(this.showDocumentButton);
this.Controls.Add(this.pdfDisplay);
this.Controls.Add(this.documentsInfoTable);
this.Controls.Add(this.changeDefaultFolderButton);
this.Controls.Add(this.docDescriptionLabel);
this.Controls.Add(this.docDescriptionTextBox);
this.Controls.Add(this.searchResultsLabel);
this.Controls.Add(this.searchButton);
this.Controls.Add(this.typeOfDocumentLabel);
this.Controls.Add(this.filenameLabel);
this.Controls.Add(this.scannedPagesLabel);
this.Controls.Add(this.scanButton);
this.Controls.Add(this.scannersButton);
this.Controls.Add(this.clearButton);
this.Controls.Add(this.saveButton);
this.Controls.Add(this.docTypeComboBox);
this.Controls.Add(this.fileNameTextBox);
this.Controls.Add(this.openFileBtn);
this.Name = "ScanSoftForms";
this.Text = "ScanSoft";
this.Load += new System.EventHandler(this.Form1_Load);
((System.ComponentModel.ISupportInitialize)(this.documentsInfoTable)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();
}
