How to disable text box

vb6 India
  • 18 years ago

    How to disable popup menu from textbox

  • 18 years ago

    There are two ways to do this. Either subclass the WM_INITMENUPOPUP  message and consume it, or use the following instructions (from MSDN):


    Start a new Standard EXE project in Visual Basic. Form1 is created by default.



    Add a TextBox control to Form1.



    Choose Menu Editor from the Tools menu and create a menu named mnuPopUp on Form1. Deselect the Visible CheckBox and add items such as the following:



        File
           New
           Open





    Add the following code to the code window of Form1:



         Private Declare Function LockWindowUpdate Lib "user32" _
            (ByVal hwndLock As Long) As Long


         Private Sub mnuOne_Click()
            Text1.Text = "Menu One was clicked"
         End Sub


         Private Sub mnuTwo_Click()
            Text1.Text = "Menu two was clicked"
         End Sub


         Private Sub Text1_MouseDown(Button As Integer, Shift As Integer, _
            X As Single, Y As Single)


            If Button = vbRightButton Then
            ' Avoid the 'disabled' gray text by locking updates
               LockWindowUpdate Text1.hWnd


               ' A disabled TextBox will not display a context menu
               Text1.Enabled = False


               ' Give the previous line time to complete
               DoEvents


               ' Display our own context menu
               PopupMenu mnuPopup


               ' Enable the control again
               Text1.Enabled = True


               ' Unlock updates
               LockWindowUpdate 0&
            End If
         End Sub





    Save and run the project.



    Alternate-mouse click on Text1. Only the custom menu is displayed. The standard editing menu is not shown.

  • 18 years ago

    There is a sample "WinUI" in this VB source code control:


    http://www.banasoft.com/DownLoad/BNHkLib.exe

Post a reply

Enter your message below

Sign in or Join us (it's free).

Contribute

Why not write for us? Or you could submit an event or a user group in your area. Alternatively just tell us what you think!

Our tools

We've got automatic conversion tools to convert C# to VB.NET, VB.NET to C#. Also you can compress javascript and compress css and generate sql connection strings.

“Most software today is very much like an Egyptian pyramid with millions of bricks piled on top of each other, with no structural integrity, but just done by brute force and thousands of slaves” - Alan Kay