Merge pull request #19 from Trapov/feature-20-clipboard-functions-added

Clipboard functions were added #15

Author: prasannavl

WinApi/User32/Constants.cs

@@ -5230,5 +5230,28 @@ public enum WM
         USER = 0x0400
     }
 
+    public enum ClipboardFormat : uint
+    {
+        /// <summary>
+        /// A handle to a bitmap (HBITMAP)
+        /// </summary>
+        CF_BITMAP = 2u,
+
+        /// <summary>
+        /// Flag for text-format
+        /// </summary>
+        CF_TEXT = 1u,
+
+        /// <summary>
+        /// Flag for unicode-text-format
+        /// </summary>
+        CF_UNICODETEXT = 13u,
+
+        /// <summary>
+        /// no format
+        /// </summary>
+        CF_ZERO = 0u
+    }
+
     #endregion
 }

WinApi/User32/Methods.cs

@@ -820,5 +820,61 @@ public static extern int GetMessage(out Message lpMsg, IntPtr hwnd, uint wMsgFil
         public static extern bool PostThreadMessage(uint threadId, uint msg, IntPtr wParam, IntPtr lParam);
 
         #endregion
+
+        #region Clipboard Functions
+
+        /// <summary>
+        /// Opens the clipboard for examination and prevents other applications from modifying the clipboard content.
+        /// </summary>
+        /// <param name="hWndNewOwner">A handle to the window to be associated with the open clipboard. If this parameter is NULL, the open clipboard is associated with the current task.</param>
+        /// <returns>If the function succeeds, the return value is nonzero.</returns>
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern bool OpenClipboard(IntPtr hWndNewOwner);
+        /// <summary>
+        /// Closes the clipboard.
+        /// </summary>
+        /// <returns>If the function succeeds, the return value is nonzero.</returns>
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern bool CloseClipboard();
+        /// <summary>
+        /// Retrieves data from the clipboard in a specified format. The clipboard must have been opened previously.
+        /// </summary>
+        /// <param name="uFormat">A clipboard format.</param>
+        /// <returns>If the function succeeds, the return value is the handle to a clipboard object in the specified format.</returns>
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern IntPtr GetClipboardData(uint uFormat);
+
+        /// <summary>
+        /// Places data on the clipboard in a specified clipboard format. The window must be the current clipboard owner, and the application must have called the OpenClipboard function
+        /// </summary>
+        /// <param name="uFormat">The clipboard format</param>
+        /// <param name="handle">A handle to the data in the specified format</param>
+        /// <returns>If the function succeeds, the return value is the handle to the data.</returns>
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern IntPtr SetClipboardData(uint uFormat, IntPtr handle);
+
+        /// <summary>
+        /// Empties the clipboard and frees handles to data in the clipboard. The function then assigns ownership of the clipboard to the window that currently has the clipboard open.
+        /// </summary>
+        /// <returns></returns>
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern bool EmptyClipboard();
+
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern IntPtr SetClipboardViewer(IntPtr hWndNewViewer);
+
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern bool ChangeClipboardChain(IntPtr hWndRemove, IntPtr hWndNewNext);
+
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern bool AddClipboardFormatListener(IntPtr hwnd);
+
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern int GetPriorityClipboardFormat(IntPtr paFormatPriorityList, int cFormats);
+
+        [DllImport(LibraryName, ExactSpelling = true)]
+        public static extern uint EnumClipboardFormats(uint format);
+
+        #endregion
     }
 }