//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public methods.
/// <summary>
/// Creates a bitmap with the image a user sees for the specified
/// element.
/// </summary>
/// <param name="element">Element to create bitmap for.</param>
/// <returns>The created bitmap.</returns>
public static Bitmap CreateBitmapFromElement(
UIElement element)
{
new System.Security.Permissions.UIPermission(
System.Security.Permissions.PermissionState.Unrestricted)
.Assert();
if (element == null)
{
throw new ArgumentNullException("element");
}
IntPtr windowHandle = GetWindowHandleFromElement(element);
Rectangle elementRect = GetTopLevelClientRelativeRect(element);
using (Bitmap bitmap = CreateBitmapFromWindowHandle(windowHandle))
{
// Scale elementRect to proper (bitmap's) DPI
elementRect = BitmapUtils.AdjustBitmapSubAreaForDpi(bitmap, elementRect);
return(BitmapUtils.CreateSubBitmap(bitmap, elementRect));
}
}
