/// <summary>
/// Remove any cached image identified by an ImageList and an index.
/// </summary>
/// <param name="imglist">an <b>ImageList</b></param>
/// <param name="idx">the non-negative index of a particular image;
/// but if this value is negative, this clears all cached images associated
/// with the <paramref name="imglist" /></param>
/// <remarks>
/// Calling this method does not modify any existing <see cref="T:Northwoods.Go.GoImage" />,
/// so no Images will be "lost". However, future calls to <see cref="M:Northwoods.Go.GoImage.LoadImage" />
/// will have to re-load from the given ImageList an image at the given index.
/// </remarks>
/// <seealso cref="M:Northwoods.Go.GoImage.UnloadImage" />
public static void ClearCachedImage(ImageList imglist, int idx)
{
if (imglist != null)
{
lock (myImages)
{
if (idx >= 0)
{
myInfo.Source = imglist;
myInfo.Index = idx;
myInfo.Name = null;
myInfo.Culture = CultureInfo.InvariantCulture;
myImages.Remove(myInfo);
}
else
{
List <GoImageInfo> list = new List <GoImageInfo>();
foreach (KeyValuePair <GoImageInfo, WeakReference> myImage2 in myImages)
{
GoImageInfo key = myImage2.Key;
if (key.Source == imglist)
{
list.Add(key);
}
}
foreach (GoImageInfo item in list)
{
myImages.Remove(item);
}
}
}
}
}
/// <summary>
/// Remove any cached image identified by a ResourceManager and a name in a particular culture.
/// </summary>
/// <param name="resmgr">a <b>ResourceManager</b></param>
/// <param name="name">the name of a particular image object;
/// if this value is null, this clears all cached images associated
/// with the <paramref name="resmgr" /></param>
/// <param name="cinfo">a <b>CultureInfo</b></param>
/// <remarks>
/// Calling this method does not modify any existing <see cref="T:Northwoods.Go.GoImage" />,
/// so no Images will be "lost". However, future calls to <see cref="M:Northwoods.Go.GoImage.LoadImage" />
/// will have to re-load any image with the given name from the given ResourceManager.
/// </remarks>
/// <seealso cref="M:Northwoods.Go.GoImage.UnloadImage" />
public static void ClearCachedImage(ResourceManager resmgr, string name, CultureInfo cinfo)
{
if (resmgr != null)
{
lock (myImages)
{
if (name != null)
{
myInfo.Source = resmgr;
myInfo.Index = 0;
myInfo.Name = name;
myInfo.Culture = cinfo;
myImages.Remove(myInfo);
}
else
{
List <GoImageInfo> list = new List <GoImageInfo>();
foreach (KeyValuePair <GoImageInfo, WeakReference> myImage2 in myImages)
{
GoImageInfo key = myImage2.Key;
if (key.Source == resmgr)
{
list.Add(key);
}
}
foreach (GoImageInfo item in list)
{
myImages.Remove(item);
}
}
}
}
}
public GoImageInfo(GoImageInfo other)
{
Source = other.Source;
Index = other.Index;
Name = other.Name;
Culture = other.Culture;
}
public override bool Equals(object obj)
{
GoImageInfo goImageInfo = obj as GoImageInfo;
if (goImageInfo == null)
{
return(false);
}
if (Source == goImageInfo.Source && Index == goImageInfo.Index && Name == goImageInfo.Name)
{
return(Culture == goImageInfo.Culture);
}
return(false);
}
