Document.DTE Property

Gets the top-level extensibility object.

Namespace:  EnvDTE
Assembly:  EnvDTE (in EnvDTE.dll)

Syntax

'Declaration
ReadOnly Property DTE As DTE

DTE DTE { get; }

property DTE^ DTE {
    DTE^ get ();
}

abstract DTE : DTE

function get DTE () : DTE

Property Value

Type: EnvDTE.DTE
A DTE object.

Remarks

In Visual Studio, the DTE object is the root of the automation model, which other object models often call "Application."

Examples

public void CodeExample(DTE2 dte, AddIn addin)
{   
    try
    {   // Before running, create two text files named "TextFile1.txt"
        // and "TextFile2.txt", include them in your solution,
        // and then open them. Notice changes when code executes.
        Document doc, doc2;
        string msg = "";
        string msg2 = "";
        if (dte.Documents.Count > 0)
        {
            doc = dte.Documents.Item("TextFile1.txt");
            // Find specified text.
            if (doc.MarkText("text to find", 0))
            {
                msg += "(1) The text was found!\n"; //MessageBox.Show("The text was found");
                // Delete the bookmark created by MarkText.
                doc.ClearBookmarks();
            }
            if (doc.ReplaceText("text to find", "was replaced by this", 0))
                msg += "(2) It [was replaced by this].\n";
            if (doc.Undo())
                msg += "(3) The ReplaceText method has been undone.\n";
            if (doc.Redo())
                msg += "(4) The ReplaceText method had been redone.\n";
            // This will bring the other document to the foreground.
            doc2 = doc.Collection.Item("TextFile2.txt");
            doc2.Activate();
            // Have these documents been saved?
            foreach (Document dc in dte.Documents)
            {
                if (dc.Saved) msg += dc.Name + " has been saved.\n";
            }
            MessageBox.Show(msg, "Example Output");
            // Access the application object.
            msg2 += doc2.DTE.Name + " is the application object.\n";
            // Show the Guid for the document.
            msg2 += doc2.Kind + " is the Guid for this document.\n";
            // Show the language used author the code
            msg2 += doc2.Language + " is the language used in this document.\n";
            // Show the document's name.
            msg2 += doc2.Name + " is the name of this document.\n";
            // Get the projectitem associated with this document
            msg2 += doc2.ProjectItem.Name + " is the ProjectItem associated with this document.\n";
            // Show the document type.
            msg2 += doc2.Type + " is the type of document.\n";
            foreach (Window win in doc2.Windows)
            {
                msg2 += win.Caption + " is a window.\n";
            }
            MessageBox.Show(msg2, "Example Output");
        }
        else MessageBox.Show("Sample not setup properly.");
    }
    catch(Exception ex)
    {
        MessageBox.Show(ex.Message);
    }
}

.NET Framework Security

• Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

See Also

Reference

Document Interface

EnvDTE Namespace

Other Resources

How to: Compile and Run the Automation Object Model Code Examples