1 files changed, 49 insertions, 0 deletions
diff --git a/src/Text/Def/TextUI/MultiCaret/AbstractSelectionPresentationProperties.cs b/src/Text/Def/TextUI/MultiCaret/AbstractSelectionPresentationProperties.cs
new file mode 100644
index 0000000..351d733
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+++ b/src/Text/Def/TextUI/MultiCaret/AbstractSelectionPresentationProperties.cs
@@ -0,0 +1,49 @@
+//
+//  Copyright (c) Microsoft Corporation. All rights reserved.
+//  Licensed under the MIT License. See License.txt in the project root for license information.
+//
+
+using Microsoft.VisualStudio.Text.Formatting;
+
+namespace Microsoft.VisualStudio.Text
+{
+    /// <summary>
+    /// Provides UI specific properties about an <see cref="Selection"/>.
+    /// </summary>
+    public abstract class AbstractSelectionPresentationProperties
+    {
+        /// <summary>
+        /// Gets the position that the caret prefers to occupy on a given line. This position may not be honored
+        /// if virtual space is off and the line is insufficiently long. See <see cref="CaretBounds"/> for the
+        /// actual location.
+        /// </summary>
+        public virtual double PreferredXCoordinate { get; protected set; }
+
+        /// <summary>
+        /// Gets the position that the caret prefers to occupy vertically in the view. This position is used for operations
+        /// such as page up/down, but may not be honored if there is an adornment at the desired location. See
+        /// <see cref="CaretBounds"/> for the actual location.
+        /// </summary>
+        public virtual double PreferredYCoordinate { get; protected set; }
+
+        /// <summary>
+        /// Gets the caret location and size.
+        /// </summary>
+        public virtual TextBounds CaretBounds { get; }
+
+        /// <summary>
+        /// Gets whether the caret is shown in its entirety on the screen.
+        /// </summary>
+        public virtual bool IsWithinViewport { get; }
+
+        /// <summary>
+        /// Gets whether the caret should be rendered as overwrite.
+        /// </summary>
+        public virtual bool IsOverwriteMode { get; }
+
+        /// <summary>
+        /// Gets the <see cref="ITextViewLine"/> that contains the <see cref="Selection.InsertionPoint"/>.
+        /// </summary>
+        public virtual ITextViewLine ContainingTextViewLine { get; }
+    }
+}