/// <summary>
/// Looks-up a HTheme handle.
/// </summary>
/// <param name="windowClass"></param>
/// <returns></returns>
private IntPtr GetHTheme(string windowClass)
{
IntPtr hTheme;
if (!themeHandles.TryGetValue(windowClass, out hTheme))
{
if (vistaExplorerThemeOwner == null)
{
vistaExplorerThemeOwner = new Control();
vistaExplorerThemeOwner.CreateControl();
UXTheme.SetWindowTheme(vistaExplorerThemeOwner.Handle, Explorer, null);
}
//special case for TreeView and ListView classes
//load Vista's Explorer theme if needed
IntPtr handle = IntPtr.Zero;
string classToLower = windowClass.ToLower();
if (classToLower == VisualStyleElement.TreeView.Item.Normal.ClassName.ToLower() ||
classToLower == VisualStyleElement.ListView.Item.Normal.ClassName.ToLower())
{
handle = vistaExplorerThemeOwner.Handle;
}
hTheme = UXTheme.OpenThemeData(handle, windowClass);
this.themeHandles.Add(windowClass, hTheme);
}
return(hTheme);
}
private IntPtr GetHTheme(string windowClass)
{
IntPtr num;
if (!this.themeHandles.TryGetValue(windowClass, out num))
{
if (this.vistaExplorerThemeOwner == null)
{
this.vistaExplorerThemeOwner = new Control();
this.vistaExplorerThemeOwner.CreateControl();
UXTheme.SetWindowTheme(this.vistaExplorerThemeOwner.Handle, "explorer", (string)null);
}
IntPtr hwnd = IntPtr.Zero;
string lower = windowClass.ToLower();
if (lower == VisualStyleElement.TreeView.Item.Normal.ClassName.ToLower() || lower == VisualStyleElement.ListView.Item.Normal.ClassName.ToLower())
{
hwnd = this.vistaExplorerThemeOwner.Handle;
}
num = UXTheme.OpenThemeData(hwnd, windowClass);
this.themeHandles.Add(windowClass, num);
}
return(num);
}
