Clipboard Threading Error

This is a discussion on Clipboard Threading Error within the C# Programming forums, part of the General Programming Boards category; -How Would I Fix this error (Where & How do I mark the STAThreadAttribute ) -This Occurs when I'm in ...

  1. #1
    Something Clever ginoitalo's Avatar
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    Keys

    -How Would I Fix this error
    (Where & How do I mark the STAThreadAttribute )

    -This Occurs when I'm in a textbox (a large one) and execute a notepad-like cut or paste or copy

    Error:
    System.Threading.ThreadStateException: The current thread must set to Single Thread Apartment (STA) mode before OLE calls can be made. Ensure that your Main function has STAThreadAttribute marked on it.

    What's the " Main Function ", the cut/copy/paste functions are like 3 lines long


    ideas ?
    Last edited by ginoitalo; 06-14-2002 at 06:33 PM.

  2. #2
    the hat of redundancy hat nvoigt's Avatar
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    There has to be a main function in your program. You need to mark this with the "STAThread"-Attribute.

    PHP Code:
    [STAThread]
    static 
    void Main() 
    {
         
    Application.Run(new frmMain());

    hth
    -nv

    She was so Blonde, she spent 20 minutes looking at the orange juice can because it said "Concentrate."

    When in doubt, read the FAQ.
    Then ask a smart question.

  3. #3
    Something Clever ginoitalo's Avatar
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    Excellent !


    As a design idea, Would Using a Large "Docked" Textbox be the best way to create a quasi Notepad ?

    Also, Tabs Don't Work ?

    Comments Welcome...

  4. #4
    the hat of redundancy hat nvoigt's Avatar
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    A docked Textbox should be ok.

    Tabs work fine, what exactly is not working in your program ?
    hth
    -nv

    She was so Blonde, she spent 20 minutes looking at the orange juice can because it said "Concentrate."

    When in doubt, read the FAQ.
    Then ask a smart question.

  5. #5
    Something Clever ginoitalo's Avatar
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    What I mean by tabs is that when your in the huge textbox and press tab, a tab doesn't appear like in notepad, the program tries to find the next TabStop.

    I'd like to implement a "Visual Studio like tab" where I can hilight several lines of text and tab them all together

  6. #6
    Something Clever ginoitalo's Avatar
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    KEYS KEYS KEYS

    OK, you have to set the box to accept tabs.

    How do we test to see if SHIFT+TAB was pressed in :

    Code:
    protected void textBox1_TextChanged (object sender, System.EventArgs e){
    
          if ((Control.ModifierKeys | (Keys.Shift & Keys.Tab)) != ( Keys.Tab & Keys.Shift) ) {
    					MessageBox.Show("Pressed --> Shift + Tab");
          }
    
    }
    It Enters with Ctrl+z and SHIFT+Other Letters (not good)

    also,

    How can we check to see which key was pressed anytime in the Form ? arrow keys don't trigger in the TextChanged
    Last edited by ginoitalo; 06-13-2002 at 09:25 PM.

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