public void DisposeCleansUpDataOnlyOnceTest()
{
var data = Substitute.For <Stream>();
using (var sut = new Photo())
{
sut.Data = data;
sut.Dispose();
sut.Dispose();
data.Received(1).Dispose();
}
}
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
Photo.Dispose();
}
Photo = null;
disposedValue = true;
}
}
private void lstPhotos_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
if (e.Index < 0 || e.Index > Manager.Album.Count - 1)
{
return;
}
Photo p = Manager.Album[e.Index];
// Determine image rectangle
Rectangle imageRect = ImageUtility.ScaleToFit(p.Image, DrawRect);
imageRect.X = e.Bounds.X + 2;
imageRect.Y = e.Bounds.Y + 1;
// Draw text image
g.DrawImage(p.Image, imageRect);
g.DrawRectangle(Pens.Black, imageRect);
//p.ReleaseImage();
p.Dispose();
// Determine text rectangle
Rectangle textRect = new Rectangle();
textRect.X = imageRect.Right + 2;
textRect.Y = imageRect.Y + ((imageRect.Height - e.Font.Height) / 2);
textRect.Width = e.Bounds.Width - imageRect.Width - 4;
textRect.Height = e.Font.Height;
// Determine text brush (handle selection)
Brush textBrush;
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
g.FillRectangle(SystemBrushes.Highlight, textRect);
textBrush = SystemBrushes.HighlightText;
}
else
{
g.FillRectangle(SystemBrushes.Window, textRect);
textBrush = SystemBrushes.WindowText;
}
// Draw the text
g.DrawString(lstPhotos.GetItemText(p), e.Font, textBrush, textRect);
}
void ReleaseDesignerOutlets()
{
if (CancelButton != null)
{
CancelButton.Dispose();
CancelButton = null;
}
if (DoneSwitch != null)
{
DoneSwitch.Dispose();
DoneSwitch = null;
}
if (ForText != null)
{
ForText.Dispose();
ForText = null;
}
if (NameText != null)
{
NameText.Dispose();
NameText = null;
}
if (NotesText != null)
{
NotesText.Dispose();
NotesText = null;
}
if (SaveButton != null)
{
SaveButton.Dispose();
SaveButton = null;
}
if (Photo != null)
{
Photo.Dispose();
Photo = null;
}
}
private void mnuEditAdd_Click(object sender, EventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Title = "Add Photos";
dlg.Multiselect = true;
dlg.Filter = "Image Files (JPEG, GIF, BMP, etc.)|"
+ "*.jpg;*.jpeg;*.gif;*.bmp;"
+ "*.tif;*.tiff;*.png|"
+ "JPEG files (*.jpg;*.jpeg)|*.jpg;*.jpeg|"
+ "GIF files (*.gif)|*.gif|"
+ "BMP files (*.bmp)|*.bmp|"
+ "TIFF files (*.tif;*.tiff)|*.tif;*.tiff|"
+ "PNG files (*.png)|*.png|"
+ "All files (*.*)|*.*";
dlg.InitialDirectory = Environment.CurrentDirectory;
if (dlg.ShowDialog() == DialogResult.OK)
{
string[] files = dlg.FileNames;
int index = 0;
foreach (string s in files)
{
Photo photo = new Photo(s);
// Add the file (if not already present)
index = Manager.Album.IndexOf(photo);
if (index < 0)
{
Manager.Album.Add(photo);
}
else
{
photo.Dispose(); // photoalready there
}
}
Manager.Index = Manager.Album.Count - 1;
}
dlg.Dispose();
DisplayAlbum();
}
private void ClearSelectedImage()
{
_selectedImage?.Dispose();
GC.Collect();
}
protected override void DisposeManagedResources()
{
base.DisposeManagedResources();
Photo?.Dispose();
}