Fixed null reference when databound mask is nulled

9 years ago · 722d4d4880
1 changed files with 1 additions and 1 deletions
--- a/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/MaskedTextBox/Implementation/MaskedTextBox.cs
+++ b/ExtendedWPFToolkitSolution/Src/Xceed.Wpf.Toolkit/MaskedTextBox/Implementation/MaskedTextBox.cs
@ -1441,7 +1441,7 @@ namespace Xceed.Wpf.Toolkit

    internal override bool GetIsEditTextEmpty()
    {
-      return ( this.MaskedTextProvider.AssignedEditPositionCount == 0 );
+      return MaskedTextProvider != null && (MaskedTextProvider.AssignedEditPositionCount == 0 );
    }

    #endregion INTERNAL PROPERTIES