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Form1.cs
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Form1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Threading;
using DevExpress.Diagram.Core;
using DevExpress.XtraDiagram;
namespace XtraDiagram.CustomDiagramStorage {
public partial class Form1 : DevExpress.XtraBars.Ribbon.RibbonForm {
public Form1() {
InitializeComponent();
}
protected override void OnLoad(EventArgs e) {
base.OnLoad(e);
diagramControl1.InitializeRibbon(ribbonControl1);
diagramControl1.OpenFile();
}
void OnShowingOpenDialog(object sender, DiagramShowingOpenDialogEventArgs e) {
var diagramName = DiagramSelector.SelectDiagramToOpen();
if(diagramName != null)
e.DocumentSourceToOpen = diagramName;
else
e.Cancel = true;
}
void OnCustomLoadDocument(object sender, DiagramCustomLoadDocumentEventArgs e) {
if(e.DocumentSource == null) {
diagramControl1.NewDocument();
Text = "(New Document)";
return;
}
var diagramName = (string)e.DocumentSource;
Text = diagramName;
var diagramData = DiagramRepository.GetDiagramData(diagramName);
if (diagramData != null)
diagramControl1.LoadDocument(new MemoryStream(diagramData));
e.Handled = true;
}
void OnShowingSaveDialog(object sender, DiagramShowingSaveDialogEventArgs e) {
var diagramName = DiagramSelector.SelectDiagramToSave();
if(diagramName != null)
e.DocumentSourceToSave = diagramName;
else
e.Cancel = true;
}
void OnCustomSaveDocument(object sender, DiagramCustomSaveDocumentEventArgs e) {
var diagramName = (string)e.DocumentSource;
Text = diagramName;
var stream = new MemoryStream();
diagramControl1.SaveDocument(stream);
var diagramData = stream.ToArray();
DiagramRepository.SaveDiagramData(diagramName, diagramData);
e.Handled = true;
}
}
}