Merge pull request #5773 from LuoYun-Team/check-rename

fix(BtnDisplayRename_Click)：在重命名前检查路径

Plain Craft Launcher 2/Controls/MyMsg/MyMsgInput.xaml.vb

@@ -1,4 +1,4 @@
-Public Class MyMsgInput
+Public Class MyMsgInput
 
     Private ReadOnly MyConverter As MyMsgBoxConverter
     Private ReadOnly Uuid As Integer = GetUuid()
@@ -72,6 +72,7 @@
     End Sub
 
     Public Sub Btn1_Click() Handles Btn1.Click
+        TextArea.Validate()
         If MyConverter.IsExited OrElse Not TextArea.IsValidated Then Exit Sub
         MyConverter.IsExited = True
         MyConverter.Result = TextArea.Text