add Nvidia overclocking options, integrate NvAPIWrapper/NvidiaML to enable and extend overclocking (curve), some other fixes

NvAPIWrapper/Native/Display/InfoFrameCommand.cs

@@ -0,0 +1,50 @@
+namespace NvAPIWrapper.Native.Display
+{
+    /// <summary>
+    ///     Possible commands for info-frame operations
+    /// </summary>
+    public enum InfoFrameCommand : uint
+    {
+        /// <summary>
+        ///     Returns the fields in the info-frame with values set by the manufacturer (NVIDIA or OEM)
+        /// </summary>
+        GetDefault = 0,
+
+        /// <summary>
+        ///     Sets the fields in the info-frame to auto, and info-frame to the default info-frame for use in a set.
+        /// </summary>
+        Reset,
+
+        /// <summary>
+        ///     Get the current info-frame state.
+        /// </summary>
+        Get,
+
+        /// <summary>
+        ///     Set the current info-frame state (flushed to the monitor), the values are one time and do not persist.
+        /// </summary>
+        Set,
+
+        /// <summary>
+        ///     Get the override info-frame state, non-override fields will be set to value = AUTO, overridden fields will have the
+        ///     current override values.
+        /// </summary>
+        GetOverride,
+
+        /// <summary>
+        ///     Set the override info-frame state, non-override fields will be set to value = AUTO, other values indicate override;
+        ///     persist across mode-set and reboot.
+        /// </summary>
+        SetOverride,
+
+        /// <summary>
+        ///     Get properties associated with info-frame (each of the info-frame type will have properties).
+        /// </summary>
+        GetProperty,
+
+        /// <summary>
+        ///     Set properties associated with info-frame.
+        /// </summary>
+        SetProperty
+    }
+}