private void previewPanel_Paint(object sender, PaintEventArgs e)
{
HandleUpdate();
ImageRef imageRef = null;
Monitor.Enter(this);
try
{
if (previewImage != null)
{
imageRef = (ImageRef)previewImage.Duplicate("LegendOptionsPanel.previewPanel_Paint");
}
}
finally
{
Monitor.Exit(this);
}
if (imageRef != null)
{
try
{
GDIBigLockedImage image;
Monitor.Enter(image = imageRef.image);
try
{
Image image2 = imageRef.image.IPromiseIAmHoldingGDISLockSoPleaseGiveMeTheImage();
e.Graphics.DrawImage(image2,
new Rectangle(new Point(0, 0), previewPanel.Size),
new Rectangle(new Point(0, 0), previewPanel.Size),
GraphicsUnit.Pixel);
}
finally
{
Monitor.Exit(image);
}
}
catch (Exception)
{
D.Say(0, "Absorbing that disturbing bug wherein the mostRecentTile image is corrupt.");
}
imageRef.Dispose();
return;
}
e.Graphics.DrawRectangle(new Pen(Color.Black),
0,
0,
previewPanel.Size.Width - 1,
previewPanel.Height - 1);
}
private void UpdatePreviewImage(ImageRef imageRef)
{
Monitor.Enter(this);
try
{
if (this.previewImage != null)
{
this.previewImage.Dispose();
this.previewImage = null;
}
if (imageRef != null)
{
this.previewImage = (ImageRef)imageRef.Duplicate("LegendOptionsPanel.UpdatePreviewImage");
}
}
finally
{
Monitor.Exit(this);
}
base.Invalidate();
}