RasterDialogHelpName Enumeration

Summary
Indicates the dialog ID that triggered the help event.
Syntax
C#
C++/CLI
public enum RasterDialogHelpName 
public enum class RasterDialogHelpName : public System.Enum, System.IComparable, System.IConvertible, System.IFormattable   
Members
ValueMemberDescription
0UnknownNone dialog help event.
1OpenOpen dialog help event.
2SaveSave dialog help event.
3LoadOptionsLoad Options dialog help event.
4SaveOptionsSave Options dialog help event.
5J2kOptionsJpeg 2000 Options dialog help event.
6FileInformationFile Information dialog help event.
7Jbig2OptionsJbig2 Options dialog help event.
Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.WinForms.CommonDialogs.File; 
 
 
public void RasterOpenDialogExample() 
{ 
	RasterCodecs rasterCodecs = new RasterCodecs(); 
 
	RasterOpenDialog openDlg = new RasterOpenDialog(rasterCodecs); 
 
	openDlg.Filter = new RasterOpenDialogLoadFormat[] 
	{ 
	new RasterOpenDialogLoadFormat ( "All Files", "*.*" ), 
	new RasterOpenDialogLoadFormat ( "LEAD", "*.cmp" ) 
	}; 
 
	openDlg.CheckFileExists = true; 
	openDlg.CheckPathExists = true; 
	openDlg.DefaultExt = "cmp"; 
	openDlg.DereferenceLinks = true; 
	openDlg.EnableSizing = true; 
	openDlg.FileName = "Image1.cmp"; 
	openDlg.FilterIndex = 2; 
	openDlg.GenerateThumbnail = false; 
	openDlg.InitialDirectory = LEAD_VARS.ImagesDir; 
	openDlg.InitialView = FileDialogInitialView.List; 
	openDlg.LoadCompressed = true; 
	openDlg.LoadFileImage = false; 
	openDlg.LoadOptions = false; 
	openDlg.LoadRotated = false; 
	openDlg.Multiselect = true; 
	openDlg.PreviewWindowVisible = true; 
	openDlg.ShowDeletePage = true; 
	openDlg.ShowFileInformation = true; 
	openDlg.ShowGeneralOptions = true; 
	openDlg.ShowHelp = true; 
	openDlg.ShowLoadCompressed = true; 
	openDlg.ShowLoadOptions = true; 
	openDlg.ShowLoadRotated = true; 
	openDlg.ShowMultipage = true; 
	openDlg.ShowPdfOptions = true; 
	openDlg.ShowXpsOptions = true; 
	openDlg.ShowXlsOptions = true; 
	openDlg.ShowVffOptions = true; 
	openDlg.ShowAnzOptions = true; 
	openDlg.ShowVectorOptions = true; 
	openDlg.ShowPreview = true; 
	openDlg.ShowProgressive = true; 
	openDlg.ShowRasterOptions = true; 
	openDlg.ShowTotalPages = true; 
	openDlg.Title = "Open Dialog"; 
	openDlg.UseFileStamptoPreview = true; 
	openDlg.Help += new EventHandler<RasterDialogHelpEventArgs>(openDlg_Help); 
	openDlg.LoadCorrupted = true; 
 
	// if you set "openDlg.LoadFileImage = true" this event will be fired 
	openDlg.LoadProgress += new EventHandler<RasterDialogLoadProgressEventArgs>(openDlg_LoadProgress); 
 
	if (DialogResult.OK == openDlg.ShowDialog(null)) 
	{ 
		for (int i = 0; i < openDlg.OpenedFileData.Count; i++) 
		{ 
			RasterDialogFileData fileDataItem = openDlg.OpenedFileData[i]; 
 
			// this is not an image file. 
			if (fileDataItem.Options == null) 
			{ 
				continue; 
			} 
 
			rasterCodecs.Options.RasterizeDocument.Load.PageWidth = fileDataItem.Options.RasterizeDocumentOptions.PageWidth; 
			rasterCodecs.Options.RasterizeDocument.Load.PageHeight = fileDataItem.Options.RasterizeDocumentOptions.PageHeight; 
			rasterCodecs.Options.RasterizeDocument.Load.LeftMargin = fileDataItem.Options.RasterizeDocumentOptions.LeftMargin; 
			rasterCodecs.Options.RasterizeDocument.Load.TopMargin = fileDataItem.Options.RasterizeDocumentOptions.TopMargin; 
			rasterCodecs.Options.RasterizeDocument.Load.RightMargin = fileDataItem.Options.RasterizeDocumentOptions.RightMargin; 
			rasterCodecs.Options.RasterizeDocument.Load.BottomMargin = fileDataItem.Options.RasterizeDocumentOptions.BottomMargin; 
			rasterCodecs.Options.RasterizeDocument.Load.Unit = fileDataItem.Options.RasterizeDocumentOptions.Unit; 
			rasterCodecs.Options.RasterizeDocument.Load.XResolution = fileDataItem.Options.RasterizeDocumentOptions.XResolution; 
			rasterCodecs.Options.RasterizeDocument.Load.YResolution = fileDataItem.Options.RasterizeDocumentOptions.YResolution; 
			rasterCodecs.Options.RasterizeDocument.Load.SizeMode = fileDataItem.Options.RasterizeDocumentOptions.SizeMode; 
 
			switch (fileDataItem.Options.FileType) 
			{ 
				case RasterDialogFileOptionsType.Meta: 
					{ 
						if (null != fileDataItem.Options.MetaOptions) 
						{ 
							rasterCodecs.Options.Wmf.Load.XResolution = fileDataItem.Options.MetaOptions.XResolution; 
							rasterCodecs.Options.Wmf.Load.YResolution = fileDataItem.Options.MetaOptions.XResolution; 
						} 
						break; 
					} 
 
				case RasterDialogFileOptionsType.Pdf: 
					{ 
						if ((null != fileDataItem.Options.PdfOptions) && 
							  rasterCodecs.Options.Pdf.IsEngineInstalled) 
						{ 
							rasterCodecs.Options.Pdf.Load.DisplayDepth = fileDataItem.Options.PdfOptions.DisplayDepth; 
							rasterCodecs.Options.Pdf.Load.GraphicsAlpha = fileDataItem.Options.PdfOptions.GraphicsAlpha; 
 
							if (fileDataItem.Options.PdfOptions.Password != null) 
							{ 
								rasterCodecs.Options.Pdf.Load.Password = fileDataItem.Options.PdfOptions.Password; 
							} 
 
							rasterCodecs.Options.Pdf.Load.TextAlpha = fileDataItem.Options.PdfOptions.TextAlpha; 
							rasterCodecs.Options.Pdf.Load.UseLibFonts = fileDataItem.Options.PdfOptions.UseLibFonts; 
						} 
						break; 
					} 
 
				case RasterDialogFileOptionsType.Misc: 
					{ 
						if (null == fileDataItem.Options.MiscOptions) 
						{ 
							continue; 
						} 
 
						switch (fileDataItem.FileInfo.Format) 
						{ 
							case RasterImageFormat.Jbig: 
								{ 
									rasterCodecs.Options.Jbig.Load.Resolution = new LeadSize(fileDataItem.Options.MiscOptions.XResolution, 
									   fileDataItem.Options.MiscOptions.YResolution); 
									break; 
								} 
 
							case RasterImageFormat.Cmw: 
								{ 
									rasterCodecs.Options.Jpeg2000.Load.CmwResolution = new LeadSize(fileDataItem.Options.MiscOptions.XResolution, 
									   fileDataItem.Options.MiscOptions.YResolution); 
									break; 
								} 
 
							case RasterImageFormat.Jp2: 
								{ 
									rasterCodecs.Options.Jpeg2000.Load.Jp2Resolution = new LeadSize(fileDataItem.Options.MiscOptions.XResolution, 
									   fileDataItem.Options.MiscOptions.YResolution); 
									break; 
								} 
 
							case RasterImageFormat.J2k: 
								{ 
									rasterCodecs.Options.Jpeg2000.Load.J2kResolution = new LeadSize(fileDataItem.Options.MiscOptions.XResolution, 
									   fileDataItem.Options.MiscOptions.YResolution); 
									break; 
								} 
						} 
						break; 
					} 
 
				case RasterDialogFileOptionsType.Xls: 
					rasterCodecs.Options.Xls.Load.MultiPageSheet = fileDataItem.Options.XlsOptions.MultiPageSheet; 
					rasterCodecs.Options.Xls.Load.MultiPageEnableMargins = fileDataItem.Options.XlsOptions.MultiPageEnableMargins; 
					rasterCodecs.Options.Xls.Load.MultiPageUseSheetWidth = fileDataItem.Options.XlsOptions.MultiPageUseSheetWidth; 
					rasterCodecs.Options.Xls.Load.PageOrderDownThenOver = fileDataItem.Options.XlsOptions.PageOrderDownThenOver; 
					break; 
 
				case RasterDialogFileOptionsType.Vff: 
					rasterCodecs.Options.Vff.Load.View = fileDataItem.Options.VffOptions.View; 
					break; 
 
				case RasterDialogFileOptionsType.Anz: 
					rasterCodecs.Options.Anz.Load.View = fileDataItem.Options.AnzOptions.View; 
					break; 
 
				case RasterDialogFileOptionsType.Vector: 
					rasterCodecs.Options.Vector.Load.BackgroundColor = fileDataItem.Options.VectorOptions.Options.BackgroundColor; 
					rasterCodecs.Options.Vector.Load.BitsPerPixel = fileDataItem.Options.VectorOptions.Options.BitsPerPixel; 
					rasterCodecs.Options.Vector.Load.ForceBackgroundColor = fileDataItem.Options.VectorOptions.Options.ForceBackgroundColor; 
					rasterCodecs.Options.Vector.Load.ViewHeight = fileDataItem.Options.VectorOptions.Options.ViewHeight; 
					rasterCodecs.Options.Vector.Load.ViewMode = fileDataItem.Options.VectorOptions.Options.ViewMode; 
					rasterCodecs.Options.Vector.Load.ViewWidth = fileDataItem.Options.VectorOptions.Options.ViewWidth; 
					break; 
			} 
 
			rasterCodecs.Options.Load.Passes = fileDataItem.Passes; 
			rasterCodecs.Options.Load.Rotated = fileDataItem.LoadRotated; 
			rasterCodecs.Options.Load.Compressed = fileDataItem.LoadCompressed; 
 
			RasterImage loadedImage = rasterCodecs.Load(fileDataItem.Name, 
			   0, 
			   CodecsLoadByteOrder.BgrOrGray, 
			   fileDataItem.PageNumber, 
			   fileDataItem.PageNumber); 
 
			// COPY THE 'loadedImage' IMAGE. 
 
			loadedImage.Dispose(); 
		} 
	} 
} 
public void openDlg_Help(object sender, RasterDialogHelpEventArgs e) 
{ 
	switch (e.Dialog) 
	{ 
		case RasterDialogHelpName.Open: 
			{ 
				MessageBox.Show("Open dialog Help"); 
				break; 
			} 
 
		case RasterDialogHelpName.LoadOptions: 
			{ 
				MessageBox.Show("Load Options dialog Help"); 
				break; 
			} 
	} 
} 
 
public void openDlg_LoadProgress(object sender, RasterDialogLoadProgressEventArgs e) 
{ 
	string displayText; 
 
	displayText = "(" + e.FilePercent.ToString() + "%) of" + e.LoadRasterFileData.Name + "file is loaded"; 
	MessageBox.Show(displayText); 
 
	displayText = "(" + e.TotalPercent.ToString() + "%) of all file(s) loading process is completed"; 
	MessageBox.Show(displayText); 
} 
 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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© 1991-2024 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.WinForms.CommonDialogs.File Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.