init commit

output/Libraries/AForge.Imaging/AForge/Imaging/ExceptionMessage.cs

@@ -0,0 +1,8 @@
+namespace AForge.Imaging;
+
+internal static class ExceptionMessage
+{
+	public const string ColorHistogramException = "Cannot access color histogram since the last processed image was grayscale.";
+
+	public const string GrayHistogramException = "Cannot access gray histogram since the last processed image was color.";
+}