/// <summary>
/// Gets the System defined settings for the ExplorerBar according
/// to the current System theme
/// </summary>
/// <param name="useClassicTheme">Specifies whether the current system theme
/// should be ignored and return unthemed settings</param>
/// <returns>An ExplorerBarInfo object that contains the System defined
/// settings for the ExplorerBar according to the current System theme</returns>
public static ExplorerBarInfo GetSystemExplorerBarSettings(bool useClassicTheme)
{
// check if we can return the cached theme
// note: caching a classic theme seems to cause a few
// problems i haven't been able to resolve, so
// for the moment always return a new
// ExplorerBarInfo if useClassicTheme is true
if (currentShellStyle != null && !useClassicTheme)
{
if (currentShellStyle.ShellStylePath != null && currentShellStyle.ShellStylePath.Equals(GetShellStylePath()))
{
return currentShellStyle;
}
}
ExplorerBarInfo systemTheme;
// check if we are using themes. if so, load up the
// appropriate shellstyle.dll
if (Environment.OSVersion.Version < new Version(6, 0) && !useClassicTheme && UxTheme.AppThemed && LoadShellStyleDll())
{
try
{
// get the uifile contained in the shellstyle.dll
// and get ready to parse it
Parser parser = new Parser(GetResourceUIFile());
// let the parser do its stuff
systemTheme = parser.Parse();
systemTheme.SetOfficialTheme(true);
systemTheme.ShellStylePath = GetShellStylePath();
}
catch
{
// something went wrong, so use default settings
systemTheme = new ExplorerBarInfo();
systemTheme.UseClassicTheme();
systemTheme.SetOfficialTheme(true);
// add non-themed arrows as the ExplorerBar will
// look funny without them.
systemTheme.SetUnthemedArrowImages();
}
finally
{
// unload the shellstyle.dll
FreeShellStyleDll();
}
}
else
{
// no themes available, so use default settings
systemTheme = new ExplorerBarInfo();
systemTheme.UseClassicTheme();
systemTheme.SetOfficialTheme(true);
// add non-themed arrows as the ExplorerBar will
// look funny without them.
systemTheme.SetUnthemedArrowImages();
}
// cache the theme
currentShellStyle = systemTheme;
return systemTheme;
}
/// <summary>
/// Gets the System defined settings for the ExplorerBar specified
/// by the shellstyle.dll at the specified path
/// </summary>
/// <param name="stylePath">The path to the shellstyle.dll</param>
/// <returns>An ExplorerBarInfo object that contains the settings for
/// the ExplorerBar specified by the shellstyle.dll at the specified path</returns>
public static ExplorerBarInfo GetSystemExplorerBarSettings(string stylePath)
{
// check if we can return the cached theme
if (currentShellStyle != null)
{
if (!currentShellStyle.ClassicTheme && currentShellStyle.ShellStylePath != null && currentShellStyle.ShellStylePath.Equals(stylePath))
{
return currentShellStyle;
}
}
ExplorerBarInfo systemTheme;
// attampt to load the specified shellstyle.dll
if (LoadShellStyleDll(stylePath))
{
try
{
// get the uifile contained in the shellstyle.dll
// and get ready to parse it
Parser parser = new Parser(GetResourceUIFile());
// let the parser do its stuff
systemTheme = parser.Parse();
systemTheme.SetOfficialTheme(false);
systemTheme.ShellStylePath = stylePath;
}
catch
{
// something went wrong, so try to use current system theme
systemTheme = GetSystemExplorerBarSettings();
}
finally
{
// unload the shellstyle.dll
FreeShellStyleDll();
}
}
else
{
// no themes available, so use default settings
systemTheme = new ExplorerBarInfo();
systemTheme.UseClassicTheme();
systemTheme.SetOfficialTheme(true);
// add non-themed arrows as the ExplorerBar will
// look funny without them.
systemTheme.SetUnthemedArrowImages();
}
// cache the theme
currentShellStyle = systemTheme;
return systemTheme;
}
