private PropertyGridExportState SavePropertyGridState()
{
PropertyGridExportState propertyGridExportState = new PropertyGridExportState()
{
SelectedItem = this.propertyGrid.SelectedGridItem, HorizontalScrollbarValue = this.propertyGrid.PropertyGridElement.PropertyTableElement.HScrollBar.Value, VerticalScrolbarValue = this.propertyGrid.PropertyGridElement.PropertyTableElement.VScrollBar.Value
};
this.propertyGrid.SelectedGridItem = (PropertyGridItemBase)null;
int num = 0;
Queue <PropertyGridItemBase> propertyGridItemBaseQueue = new Queue <PropertyGridItemBase>();
foreach (PropertyGridItemBase propertyGridItemBase in (ReadOnlyCollection <PropertyGridItem>) this.propertyGrid.Items)
{
propertyGridItemBaseQueue.Enqueue(propertyGridItemBase);
}
while (propertyGridItemBaseQueue.Count > 0)
{
PropertyGridItemBase propertyGridItemBase = propertyGridItemBaseQueue.Dequeue();
if (propertyGridItemBase.Level > num)
{
num = propertyGridItemBase.Level;
}
foreach (PropertyGridItemBase gridItem in (ReadOnlyCollection <PropertyGridItem>)propertyGridItemBase.GridItems)
{
propertyGridItemBaseQueue.Enqueue(gridItem);
}
}
this.depthOfTree = num;
return(propertyGridExportState);
}
private void RunExportCall(string fileName)
{
PropertyGridExportState state = this.SavePropertyGridState();
this.columnWidths = new List <int>();
if (this.ExportVisualSettings)
{
this.elementProvider = this.propertyGrid.PropertyGridElement.PropertyTableElement.ViewElement.ElementProvider as PropertyGridItemElementProvider;
}
try
{
this.spreadExportRenderer.GetFormatProvider(this.ExportFormat);
fileName = Path.GetDirectoryName(fileName) + (object)Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(fileName) + this.spreadExportRenderer.GetFileExtension(this.ExportFormat);
FileStream fileStream;
if (this.FileExportMode == FileExportMode.NewSheetInExistingFile && File.Exists(fileName) && this.ExportFormat == SpreadExportFormat.Xlsx)
{
fileStream = new FileStream(fileName, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite, 32768, false);
this.spreadExportRenderer.ImportWorkbook((Stream)fileStream);
}
else
{
fileStream = new FileStream(fileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite, 32768, false);
this.spreadExportRenderer.CreateWorkbook();
}
using (fileStream)
this.ExportToStream((Stream)fileStream);
this.OnExportCompleted(new EventArgs());
ControlTraceMonitor.TrackAtomicFeature((RadControl)this.propertyGrid, "Export", (object)fileName);
}
finally
{
this.applicationDoEvents = false;
this.RestorePropertyGridState(state);
}
}
public void RunExportAsync(Stream exportStream, ISpreadExportRenderer exportRenderer)
{
this.spreadExportRenderer = exportRenderer;
if (this.GetWorker().IsBusy)
{
throw new Exception("There is an export operation that has not yet finished.");
}
List <PropertyGridSpreadExportRow> exportRows = (List <PropertyGridSpreadExportRow>)null;
if (this.propertyGrid.InvokeRequired)
{
this.propertyGrid.Invoke((Delegate)(() =>
{
PropertyGridExportState state = this.SavePropertyGridState();
exportRows = this.GetPropertyGridDataSnapshot();
this.RestorePropertyGridState(state);
}));
}
else
{
PropertyGridExportState state = this.SavePropertyGridState();
exportRows = this.GetPropertyGridDataSnapshot();
this.RestorePropertyGridState(state);
}
this.GetWorker().RunWorkerAsync((object)new List <object>(2)
{
(object)new PropertyGridSpreadExportDataSnapshot(string.Empty, exportRows),
(object)exportStream
});
}
private void RunExportCall(Stream exportStream)
{
PropertyGridExportState state = this.SavePropertyGridState();
this.columnWidths = new List <int>();
if (this.ExportVisualSettings)
{
this.elementProvider = this.propertyGrid.PropertyGridElement.PropertyTableElement.ViewElement.ElementProvider as PropertyGridItemElementProvider;
}
try
{
this.spreadExportRenderer.GetFormatProvider(this.ExportFormat);
this.spreadExportRenderer.CreateWorkbook();
this.ExportToStream(exportStream);
this.OnExportCompleted(new EventArgs());
ControlTraceMonitor.TrackAtomicFeature((RadControl)this.propertyGrid, "Export");
}
finally
{
this.applicationDoEvents = false;
this.RestorePropertyGridState(state);
}
}
private void RestorePropertyGridState(PropertyGridExportState state)
{
this.propertyGrid.SelectedGridItem = state.SelectedItem;
this.propertyGrid.PropertyGridElement.PropertyTableElement.HScrollBar.Value = state.HorizontalScrollbarValue;
this.propertyGrid.PropertyGridElement.PropertyTableElement.VScrollBar.Value = state.VerticalScrolbarValue;
}