Get Preview Bitmap of File Example (C#)
This example shows how to get the preview bitmap of a file.
NOTE: If using the .NET Framework 4.0 primary interop assembly
provided with SOLIDWORKS PDM Professional, see
Using .NET Framework 4.0 in
Stand-alone Applications.
//----------------------------------------------------------------------------
// Preconditions:
// 1. Start Microsoft Visual Studio 2010.
// a. Click File > New > Project > Visual C# > Windows
Forms Application.
// b. Type GetPreviewBitmap_CSharp in Name.
// c. Click Browse and navigate to the folder where to
create the project.
// d. Click OK.
// e. Click Show All Files in the Solution Explorer
toolbar and expand
// Form1.cs in the Solution Explorer.
// f. Replace the code in Form1.cs with
this code.
// g. To create the form, replace the code in
Form1.Designer.cs with
// this code.
// 2. Add EPDM.Interop.epdm.dll as a reference (right-click
the project
// name in the Solution Explorer, click Add Reference,
click
// Assemblies > Framework in the left-side panel,
browse to the top folder of
// your SOLIDWORKS PDM Professional installation, locate and
click
// EPDM.Interop.epdm.dll, click Open, click
Add, and click Close).
// 3. Right-click EPDM.Interop.epdm in References, click Properties,
and set
// Embed Interop Types to False to handle
methods that pass arrays of
// structures.
// 4.
Ensure that the root folder of the vault contains an
Autodesk DWG file.
// 5. Click Debug > Start Debugging or press F5.
//
// Postconditions:
// 1. Displays
the Get Preview Bitmap dialog box.
// a. Select a vault view.
// b. Click Select file.
// c. In the Select File dialog:
// 1. Click a DWG file
inside the vault.
// 2. Click Open.
// d. Click Get
preview bitmap.
// Form1 displays the preview bitmap
of the selected file.
// 2. Close the
Get Preview Bitmap dialog box.
//----------------------------------------------------------------------------
//Form1.cs
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using EPDM.Interop.epdm;
namespace GetPreviewBitmap_CSharp
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private IEdmVault5 vault1 = null;
IEdmFile5 aFile;
bool retVal;
public void Form1_Load(System.Object sender, System.EventArgs e)
{
try
{
IEdmVault5 vault1 = new EdmVault5();
IEdmVault8 vault = (IEdmVault8)vault1;
EdmViewInfo[] Views = null;
vault.GetVaultViews(out Views, false);
VaultsComboBox.Items.Clear();
foreach (EdmViewInfo View in Views)
{
VaultsComboBox.Items.Add(View.mbsVaultName);
}
if (VaultsComboBox.Items.Count > 0)
{
VaultsComboBox.Text = (string)VaultsComboBox.Items[0];
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void SelectFiles_Click(System.Object sender, System.EventArgs e)
{
try
{
File1List.Items.Clear();
IEdmVault7 vault2 = null;
if (vault1 == null)
{
vault1 = new EdmVault5();
}
vault2 = (IEdmVault7)vault1;
if (!vault1.IsLoggedIn)
{
vault1.LoginAuto(VaultsComboBox.Text, this.Handle.ToInt32());
}
//Set the initial directory in the Select File dialog
OpenFileDialog1.InitialDirectory = vault1.RootFolderPath;
//Show the Select File dialog
System.Windows.Forms.DialogResult DialogResult;
DialogResult = OpenFileDialog1.ShowDialog();
IEdmFolder5 ppoRetParentFolder;
if (!(DialogResult == System.Windows.Forms.DialogResult.OK))
{
// do nothing
}
else
{
foreach (string FileName in OpenFileDialog1.FileNames)
{
File1List.Items.Add(FileName);
aFile = vault1.GetFileFromPath(FileName, out ppoRetParentFolder);
}
}
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void PreviewBitmap_Click(System.Object sender, System.EventArgs e)
{
DrawBitmapPreview(aFile);
}
private void DrawBitmapPreview(IEdmFile5 file)
{
try
{
IEdmEnumeratorVariable5 varEnum = default(IEdmEnumeratorVariable5);
varEnum = (IEdmEnumeratorVariable5)file.GetEnumeratorVariable();
IEdmBitmap5 preview = default(IEdmBitmap5);
preview = varEnum.GetThumbnail();
if (preview == null)
return;
preview.Draw(this.Handle.ToInt32(), 45, 220, 0, 0);
}
catch (System.Runtime.InteropServices.COMException ex)
{
MessageBox.Show("HRESULT = 0x" + ex.ErrorCode.ToString("X") + " " + ex.Message);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
}
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//Form1.Designer.cs
namespace GetPreviewBitmap_CSharp
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;
/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.VaultsLabel = new System.Windows.Forms.Label();
this.VaultsComboBox = new System.Windows.Forms.ComboBox();
this.SelectFiles = new System.Windows.Forms.Button();
this.File1List = new System.Windows.Forms.ListBox();
this.PreviewBitmap = new System.Windows.Forms.Button();
this.OpenFileDialog1 = new System.Windows.Forms.OpenFileDialog();
this.SuspendLayout();
//
//VaultsLabel
//
this.VaultsLabel.AutoSize = true;
this.VaultsLabel.Location = new System.Drawing.Point(36, 24);
this.VaultsLabel.Name = "VaultsLabel";
this.VaultsLabel.Size = new System.Drawing.Size(91, 13);
this.VaultsLabel.TabIndex = 0;
this.VaultsLabel.Text = "Select vault view:";
//
//VaultsComboBox
//
this.VaultsComboBox.FormattingEnabled = true;
this.VaultsComboBox.Location = new System.Drawing.Point(39, 40);
this.VaultsComboBox.Name = "VaultsComboBox";
this.VaultsComboBox.Size = new System.Drawing.Size(121, 21);
this.VaultsComboBox.TabIndex = 1;
//
//SelectFiles
//
this.SelectFiles.Location = new System.Drawing.Point(39, 85);
this.SelectFiles.Name = "SelectFiles";
this.SelectFiles.Size = new System.Drawing.Size(191, 23);
this.SelectFiles.TabIndex = 2;
this.SelectFiles.Text = "Select file...";
this.SelectFiles.UseVisualStyleBackColor = true;
this.SelectFiles.Click +=new System.EventHandler(SelectFiles_Click);
//
//File1List
//
this.File1List.FormattingEnabled = true;
this.File1List.HorizontalScrollbar = true;
this.File1List.Location = new System.Drawing.Point(40, 114);
this.File1List.Name = "File1List";
this.File1List.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended;
this.File1List.Size = new System.Drawing.Size(220, 43);
this.File1List.TabIndex = 4;
//
//PreviewBitmap
//
this.PreviewBitmap.Location = new System.Drawing.Point(40, 183);
this.PreviewBitmap.Name = "PreviewBitmap";
this.PreviewBitmap.Size = new System.Drawing.Size(157, 23);
this.PreviewBitmap.TabIndex = 6;
this.PreviewBitmap.Text = "Get preview bitmap";
this.PreviewBitmap.UseVisualStyleBackColor = true;
this.PreviewBitmap.Click +=new System.EventHandler(PreviewBitmap_Click);
//
//OpenFileDialog1
//
this.OpenFileDialog1.FileName = "OpenFileDialog1";
this.OpenFileDialog1.Title = "Select File";
//
//Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6f, 13f);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(629, 746);
this.Controls.Add(this.PreviewBitmap);
this.Controls.Add(this.File1List);
this.Controls.Add(this.SelectFiles);
this.Controls.Add(this.VaultsComboBox);
this.Controls.Add(this.VaultsLabel);
this.Name = "Form1";
this.Text = "Get Preview Bitmap";
this.Load += new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
this.PerformLayout();
}
internal System.Windows.Forms.Label VaultsLabel;
internal System.Windows.Forms.ComboBox VaultsComboBox;
internal System.Windows.Forms.Button SelectFiles;
internal System.Windows.Forms.ListBox File1List;
internal System.Windows.Forms.Button PreviewBitmap;
internal System.Windows.Forms.OpenFileDialog OpenFileDialog1;
#endregion
}
}
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