Some fixes which should reduce memory usage a bit, also preventing possible memory leaks.

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2005 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4

Greenshot/Destinations/EmailDestination.cs

@@ -218,8 +218,7 @@ namespace Greenshot.Destinations {
 						foreach (string inspectorCaption in inspectorCaptions.Keys) {
 							destinations.Add(new EmailDestination(inspectorCaption, inspectorCaptions[inspectorCaption]));
 						}
-						ContextMenuStrip menu = PickerDestination.CreatePickerMenu(false, surface, captureDetails, destinations);
-						PickerDestination.ShowMenuAtCursor(menu);
+						PickerDestination.ShowPickerMenu(false, surface, captureDetails, destinations);
 						return false;
 					}
 				}

Greenshot/Destinations/PickerDestination.cs

@@ -60,14 +60,14 @@ namespace Greenshot.Destinations {
 		}
 		
 		/// <summary>
-		/// This method will create the destination picker menu
+		/// This method will create and show the destination picker menu
 		/// </summary>
 		/// <param name="addDynamics">Boolean if the dynamic values also need to be added</param>
 		/// <param name="surface">The surface which can be exported</param>
 		/// <param name="captureDetails">Details for the surface</param>
 		/// <param name="destinations">The list of destinations to show</param>
 		/// <returns></returns>
-		public static ContextMenuStrip CreatePickerMenu(bool addDynamics, ISurface surface, ICaptureDetails captureDetails, IEnumerable<IDestination> destinations) {
+		public static void ShowPickerMenu(bool addDynamics, ISurface surface, ICaptureDetails captureDetails, IEnumerable<IDestination> destinations) {
 			ContextMenuStrip menu = new ContextMenuStrip();
 			menu.Closing += delegate(object source, ToolStripDropDownClosingEventArgs eventArgs) {
 				LOG.DebugFormat("Close reason: {0}", eventArgs.CloseReason);
@@ -138,14 +138,14 @@ namespace Greenshot.Destinations {
 			};
 			menu.Items.Add(closeItem);
 
-			return menu;
+			ShowMenuAtCursor(menu);
 		}
 
 		/// <summary>
 		/// This method will show the supplied context menu at the mouse cursor, also makes sure it has focus and it's not visible in the taskbar.
 		/// </summary>
 		/// <param name="menu"></param>
-		public static void ShowMenuAtCursor(ContextMenuStrip menu) {
+		private static void ShowMenuAtCursor(ContextMenuStrip menu) {
 			// find a suitable location
 			Point location = Cursor.Position;
 			Rectangle menuRectangle = new Rectangle(location, menu.Size);
@@ -160,6 +160,17 @@ namespace Greenshot.Destinations {
 			User32.SetForegroundWindow(MainForm.instance.notifyIcon.ContextMenuStrip.Handle);
 			menu.Show(location);
 			menu.Focus();
+
+			// Wait for the menu to close, so we can dispose it.
+			while (true) {
+				if (menu.Visible) {
+					Application.DoEvents();
+					System.Threading.Thread.Sleep(100);
+				} else {
+					menu.Dispose();
+					break;
+				}
+			}
 		}
 
 		/// <summary>
@@ -181,8 +192,7 @@ namespace Greenshot.Destinations {
 				destinations.Add(destination);
 			}
 
-			ContextMenuStrip menu = CreatePickerMenu(true, surface, captureDetails, destinations);
-			ShowMenuAtCursor(menu);
+			ShowPickerMenu(true, surface, captureDetails, destinations);
 			return true;
 		}
 	}

Greenshot/Destinations/PowerpointDestination.cs

@@ -131,8 +131,7 @@ namespace Greenshot.Destinations {
 						foreach (string presentation in presentations) {
 							destinations.Add(new PowerpointDestination(presentation));
 						}
-						ContextMenuStrip menu = PickerDestination.CreatePickerMenu(false, surface, captureDetails, destinations);
-						PickerDestination.ShowMenuAtCursor(menu);
+						PickerDestination.ShowPickerMenu(false, surface, captureDetails, destinations);
 						return false;
 					}
 				}

Greenshot/Destinations/WordDestination.cs

@@ -139,8 +139,7 @@ namespace Greenshot.Destinations {
 						foreach (string document in documents) {
 							destinations.Add(new WordDestination(document));
 						}
-						ContextMenuStrip menu = PickerDestination.CreatePickerMenu(false, surface, captureDetails, destinations);
-						PickerDestination.ShowMenuAtCursor(menu);
+						PickerDestination.ShowPickerMenu(false, surface, captureDetails, destinations);
 						return false;
 					}
 				}

Greenshot/Drawing/DrawableContainerList.cs

@@ -498,6 +498,15 @@ namespace Greenshot.Drawing {
 				AddContextMenuItems(menu, surface);
 				if (menu.Items.Count > 0) {
 					menu.Show(surface, e.Location);
+					while (true) {
+						if (menu.Visible) {
+							Application.DoEvents();
+							System.Threading.Thread.Sleep(100);
+						} else {
+							menu.Dispose();
+							break;
+						}
+					}
 				}
 			}
 		}

Greenshot/Forms/ImageEditorForm.cs

@@ -220,7 +220,7 @@ namespace Greenshot {
 				
 				// Generate the entries for the drop down
 				destinationButton.DropDownOpening += delegate(object sender, EventArgs e) {
-					destinationButton.DropDownItems.Clear();
+					ClearItems(destinationButton.DropDownItems);
 					destinationButton.DropDownItems.Add(defaultItem);
 
 					List<IDestination> subDestinations = new List<IDestination>();
@@ -255,8 +255,23 @@ namespace Greenshot {
 			}
 		}
 		
+		/// <summary>
+		/// According to some information I found, the clear doesn't work correctly when the shortcutkeys are set?
+		/// This helper method takes care of this.
+		/// </summary>
+		/// <param name="items"></param>
+		private void ClearItems(ToolStripItemCollection items) {
+			foreach(var item in items) {
+				ToolStripMenuItem menuItem = item as ToolStripMenuItem;
+				if (menuItem != null && menuItem.ShortcutKeys != Keys.None) {
+					menuItem.ShortcutKeys = Keys.None;
+				}
+			}
+			items.Clear();
+		}
+
 		void FileMenuDropDownOpening(object sender, EventArgs eventArgs) {
-			this.fileStripMenuItem.DropDownItems.Clear();
+			ClearItems(this.fileStripMenuItem.DropDownItems);
 			//this.fileStripMenuItem.DropDownItems.AddRange(new System.Windows.Forms.ToolStripItem[] {
 			//						this.saveToolStripMenuItem,
 			//						this.saveAsToolStripMenuItem,