Merge pull request #730 from Krypton-Suite/alpha-fr#728

* Semi implement #728, with points 2 & 4 outstanding

Documents/Help/Changelog.md

@@ -5,7 +5,10 @@
 =======
 
 ## 2022-11-xx - Build 2211 - November 2022 <!--Possible August or September release?-->
+* Implemented [#728](https://github.com/Krypton-Suite/Standard-Toolkit/issues/728), Bring MessageBox `States` inline with latest .Net 6 
 * Made enumeration `SchemeOfficeColors` public, so they can be used to make external themes
+* Resolved [#722](https://github.com/Krypton-Suite/Standard-Toolkit/issues/722), KryptonRichTextBox disabled colour cannot be set
+* Resolved [#662](https://github.com/Krypton-Suite/Standard-Toolkit/issues/662), Can not "Control / Set Disabled" Background Colour Of Comboboxes, in DropDown mode
 * Resolved [#737](https://github.com/Krypton-Suite/Standard-Toolkit/issues/737), `Office 2013 - Dark Grey` for `PaletteMode` in designer causes a crash
 * Resolved [#578](https://github.com/Krypton-Suite/Standard-Toolkit/issues/578), ComboBox Center no longer draws text centered
 * Resolved [#20](https://github.com/Krypton-Suite/Standard-Toolkit/issues/20), Selected text in ComboBox is drawn in a different font
@@ -29,8 +32,6 @@
 * Blue dark mode themes now have a darker alternate colour
 * Added new `GetPaletteModeManager()` method to the `ThemeManager` API, to return the current `PaletteModeManager` of the selected `KryptonManager`
 * Update documentation for `PaletteMode` and `PaletteModeManager`
-* Resolved [#722](https://github.com/Krypton-Suite/Standard-Toolkit/issues/722), KryptonRichTextBox disabled colour cannot be set
-* Resolved [#662](https://github.com/Krypton-Suite/Standard-Toolkit/issues/662), Can not "Control / Set Disabled" Background Colour Of Comboboxes, in DropDown mode
 * Resolved [#701](https://github.com/Krypton-Suite/Standard-Toolkit/issues/701), `CueHint` in `KryptonPalette` does not work
 * Resolved [#697](https://github.com/Krypton-Suite/Standard-Toolkit/issues/697), Number 9 is handled in ribbon textbox/richtextbox.
 * Resolved [#693](https://github.com/Krypton-Suite/Standard-Toolkit/issues/693), Docked controls are rendered with smaller size which hides the caption/title text.

Source/Krypton Components/Krypton.Toolkit/Controls Visuals/KryptonMessageBoxForm.cs

@@ -319,6 +319,22 @@ private void UpdateButtons()
                     _button3.Enabled = true;
                     ControlBox = false;
                     break;
+#if NET6_0_OR_GREATER
+                case MessageBoxButtons.CancelTryContinue:
+                    _button1.Text = KryptonManager.Strings.Cancel;
+                    _button2.Text = KryptonManager.Strings.TryAgain;
+                    _button3.Text = KryptonManager.Strings.Continue;
+                    _button1.DialogResult = DialogResult.Cancel;
+                    _button2.DialogResult = DialogResult.TryAgain;
+                    _button3.DialogResult = DialogResult.Continue;
+                    _button1.Visible = true;
+                    _button1.Enabled = true;
+                    _button2.Visible = true;
+                    _button2.Enabled = true;
+                    _button3.Visible = true;
+                    _button3.Enabled = true;
+                    break;
+#endif
             }
 
             // Do we ignore the Alt+F4 on the buttons?

Source/Krypton Components/Krypton.Toolkit/Controls Visuals/VisualForm.cs

@@ -619,7 +619,25 @@ public void RecalcNonClient()
                                 PI.SWP_.NOOWNERZORDER | PI.SWP_.FRAMECHANGED);
             }
         }
-        #endregion
+
+#if NET6_0_OR_GREATER
+        /// <summary>Gets or sets the anchoring for minimized MDI children.</summary>
+        /// <value> <c>true</c> to anchor minimized MDI children to the bottom left of the parent form; <c>false</c> to anchor to the top left of the parent form.</value>
+        [Category(@"Window Style")]
+        [Description(@"Gets or sets the anchoring for minimized MDI children.")]
+        [DefaultValue(true)]
+        public new bool MdiChildrenMinimizedAnchorBottom
+        {
+            get => base.MdiChildrenMinimizedAnchorBottom;
+
+            set
+            {
+                base.MdiChildrenMinimizedAnchorBottom = value;
+                throw new NotSupportedException(@"Please use .NET 6 or newer to use this feature.");
+            }
+        }
+#endif
+#endregion
 
         #region Public Chrome
         /// <summary>

Source/Krypton Components/Krypton.Toolkit/General/GlobalStrings.cs

@@ -33,6 +33,10 @@ public class GlobalStrings : GlobalId
         private const string DEFAULT_CLOSE = "Cl&ose";
         private const string DEFAULT_TODAY = "T&oday";
         private const string DEFAULT_HELP = "H&elp";
+
+        // NET 6 & newer
+        private const string DEFAULT_CONTINUE = "Co&ntinue";
+        private const string DEFAULT_TRY_AGAIN = "&Try Again";
         #endregion
 
         #region Instance Fields
@@ -57,6 +61,7 @@ public GlobalStrings()
         #endregion
 
         #region Public
+
         /// <summary>
         /// Gets a value indicating if all the strings are default values.
         /// </summary>
@@ -71,7 +76,9 @@ public GlobalStrings()
                                  Ignore.Equals(DEFAULT_IGNORE) &&
                                  Close.Equals(DEFAULT_CLOSE) &&
                                  Today.Equals(DEFAULT_TODAY) &&
-                                Help.Equals(DEFAULT_HELP);
+                                 Help.Equals(DEFAULT_HELP) &&
+                                 Continue.Equals(DEFAULT_CONTINUE) &&
+                                 TryAgain.Equals(DEFAULT_TRY_AGAIN);
 
         /// <summary>
         /// Reset all strings to default values.
@@ -88,6 +95,10 @@ public void Reset()
             Close = DEFAULT_CLOSE;
             Today = DEFAULT_TODAY;
             Help = DEFAULT_HELP;
+
+            // NET 6 & newer
+            Continue = DEFAULT_CONTINUE;
+            TryAgain = DEFAULT_TRY_AGAIN;
         }
 
         /// <summary>
@@ -190,6 +201,24 @@ public void Reset()
         [DefaultValue(DEFAULT_HELP)]
         [RefreshProperties(RefreshProperties.All)]
         public string Help { get; set; }
-        #endregion
+
+        /// <summary>
+        /// Gets and sets the Continue string used in calendars.
+        /// </summary>
+        [Localizable(true)]
+        [Category(@"Visuals")]
+        [Description(@"Continue string used for Message Box Buttons.")]
+        [DefaultValue(DEFAULT_CONTINUE)]
+        public string Continue { get; set; }
+
+        /// <summary>
+        /// Gets and sets the Try Again string used in calendars.
+        /// </summary>
+        [Localizable(true)]
+        [Category(@"Visuals")]
+        [Description(@"Try Again string used for Message Box Buttons.")]
+        [DefaultValue(DEFAULT_TRY_AGAIN)]
+        public string TryAgain { get; set; }
+#endregion
     }
 }