/// <summary>
/// <para>
/// Disposes of the resources (other than memory) used by the
/// <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/>.
/// </para>
/// </summary>
/// <remarks>
/// <para>
/// Call <see langword='Dispose'/> when
/// you are finished using the <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/>. The <see langword='Dispose'/> method leaves the <see cref='System.Web.UI.Design.WebControls.DataListDesigner'/> in an unusable state. After
/// calling <see langword='Dispose'/>, you must release all
/// references to the <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/> so the memory it was occupying
/// can be reclaimed by garbage collection.
/// </para>
/// <note type="note">
/// Always call <see langword='Dispose'/> before you release your last reference to
/// the <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/>. Otherwise, the resources
/// the <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/> is using will not be freed
/// until garbage collection calls the <see cref='System.Web.UI.Design.MobileControls.ListDesigner'/> object's
/// destructor.
/// </note>
/// </remarks>
/// <seealso cref='System.ComponentModel.Design.IDesigner'/>
protected override void Dispose(bool disposing)
{
if (disposing && _tempBmpFile != null)
{
_tempBmpFile.Dispose();
_cachedWbmpUri = null;
_tempBmpFile = null;
}
base.Dispose(disposing);
}
private String GetConvertedImageURI(String imageUriString)
{
Uri baseUri = new Uri(BaseUrl);
Uri imageUri = new Uri(baseUri, imageUriString);
String extension = Path.GetExtension(imageUriString);
if (extension.Equals(".wbmp"))
{
if (_tempBmpFile != null)
{
if (_cachedWbmpUri != null &&
_cachedWbmpUri.Equals(imageUri))
{
return(_tempBmpFile.Url);
}
else
{
_tempBmpFile.Dispose();
_tempBmpFile = null;
_cachedWbmpUri = null;
}
}
Byte[] buffer = FileReader.Read(imageUri);
if (buffer == null)
{
// Could not read image from URI, return original URI to
// Trident and let it render as a broken image.
goto ConversionError;
}
Bitmap bitmap = WbmpConverter.Convert(buffer);
if (bitmap == null)
{
// .wbmp appears to be corrupt, return original URI to
// Trident and let it render as a broken image.
goto ConversionError;
}
_tempBmpFile = new TemporaryBitmapFile(bitmap);
imageUriString = _tempBmpFile.Url;
_cachedWbmpUri = imageUri;
}
ConversionError:
return(imageUriString);
}
