/// <summary>
/// Copies the current selection of items to the clipboard.
/// </summary>
/// <param name="copy">true if you want data to remain on the Clipboard after this application exits; otherwise, false.</param>
/// <param name="groups">true to copy item groups; otherwise, false.</param>
/// <returns>true if items were successfully copied; otherwise, false.</returns>
public bool CopyToClipboard(bool copy, bool groups)
{
bool result = false;
// create clones of selected items
ItemsAndGroups data = copySelection(this, true, groups);
if (data == null) return false;
// add the clones to an empty flowchart document
FlowChart clipHelper = new FlowChart();
if (pasteSelection(clipHelper, data, null, 0, 0))
{
// save the clones into a memory stream
MemoryStream stream = new MemoryStream(40960);
clipHelper.SaveToStream(stream, true);
// copy the memory stream to clipboard
Clipboard.SetDataObject(stream, copy);
result = true;
}
clipHelper.Dispose();
return result;
}
/// <summary>
/// Creates the image list with shape images using
/// the current control settings.
/// </summary>
private void CreateImages()
{
this.ImageList = null;
// Create the image list
images = new ImageList();
images.ImageSize = imageSize;
images.TransparentColor = SystemColors.Control;
// Create a temporary hidden flowchart object
FlowChart chart = new FlowChart();
chart.MeasureUnit = GraphicsUnit.Pixel;
chart.DrawBox += this.DrawBox;
System.Drawing.Brush back =
new System.Drawing.SolidBrush(SystemColors.Control);
// Populate the image list
if (shapes == null || shapes.Length == 0)
{
// show all shapes
foreach (ShapeTemplate template in ShapeTemplate.Shapes)
createImage(template, back, chart);
}
else
{
// show specified shapes
foreach (string id in shapes)
createImage(ShapeTemplate.FromId(id), back, chart);
}
back.Dispose();
chart.Dispose();
}
