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Find Interface

Supports general text Find operations in the environment for documents and files.

Namespace:  EnvDTE
Assembly:  EnvDTE (in EnvDTE.dll)
[GuidAttribute("40D4B9B6-739B-4965-8D65-692AEC692266")]
public interface Find

The Find type exposes the following members.

  NameDescription
Public propertyActionGets or sets how to find, such as find next match, find all, replace and find, and so forth.
Public propertyBackwardsGets or sets a value indicating whether the search is performed backwards from the current position.
Public propertyDTEGets the top-level extensibility object.
Public propertyFilesOfTypeGets or sets the file extension for the files to be searched.
Public propertyFindWhatGets or sets the text or pattern to find.
Public propertyKeepModifiedDocumentsOpenGets or sets a value indicating whether or not modified documents remain open after a Replace operation.
Public propertyMatchCaseGets or sets a value indicating whether the search is case-sensitive.
Public propertyMatchInHiddenTextGets or sets a value indicating whether hidden text is included in the search.
Public propertyMatchWholeWordGets or sets a value indicating whether the search matches whole words only.
Public propertyParentGets the immediate parent object of a Find object.
Public propertyPatternSyntaxGets or sets the syntax used to specify the search pattern.
Public propertyReplaceWithGets or sets the replacement text for a replacement operation.
Public propertyResultsLocationGets or sets the location where the results are shown in a bulk search operation.
Public propertySearchPathGets or sets a list of directories to use for a find-in-files operation.
Public propertySearchSubfoldersGets or sets a value indicating whether subfolders are included in a Search operation.
Public propertyTargetGets or sets the target of the search operation, such as all open docs, files, the active document, and so forth.
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  NameDescription
Public methodExecutePerforms a search based on the options set for the Find object.
Public methodFindReplacePerforms a Find or Replacement operation based on the arguments to the method, without affecting the options set for the Find.
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The Find object allows you to search for and replace text in places of the environment that support such operations, such as the Code editor.

It is intended primarily for macro recording purposes. The editor's macro recording mechanism uses Find rather than TextSelection.FindPattern so that you can discover the global find functionality, and because it generally is more useful than using the TextSelection object for such operations as Find-in-files.

The Visual Studio environment has a global find state that is shared across all its tools that provides search capabilities. For example, all Visual Studio elements share the history of search patterns used during a session and whether the next Find operation for open documents should be forwards or backwards. The Find object's properties interact with and track the global find state. When you set properties on the Find object, you also set the global find state. If users perform a Find operation through the environment, the Find object reflects the kind of search they performed. Because automation code runs synchronously with the environment's UI thread, you do not need to set some of the properties and have the user perform a search before you can call the Execute.

The Execute method performs a Find operation based on the settings of the Find object. You can also pass arguments to the FindReplace method to perform a search without affecting the global find state. It is important for automation clients to be able to perform a search without affecting the global find state or interfering with the end user's model of the environment's state.

Sub FindExample()
   Dim objTextDoc As TextDocument
   Dim objEditPt As EditPoint
   Dim iCtr As Integer
   Dim objFind As Find

   ' Create a new text file.
   DTE.ItemOperations.NewFile("General\Text File")

   ' Get a handle to the new document and create an EditPoint.
   objTextDoc = DTE.ActiveDocument.Object("TextDocument")
   objEditPt = objTextDoc.StartPoint.CreateEditPoint
   objFind = objTextDoc.DTE.Find

   ' Insert ten lines of text.
   For iCtr = 1 To 10
      objEditPt.Insert("This is a test." & Chr(13))
   Next iCtr

   ' Set the find options.
   objFind.Action = vsFindAction.vsFindActionReplaceAll
   objFind.Backwards = False
   objFind.FilesOfType = "*.txt"
   objFind.FindWhat = "test"
   objFind.KeepModifiedDocumentsOpen = True
   objFind.MatchCase = False
   objFind.MatchInHiddenText = False
   objFind.MatchWholeWord = True
   objFind.PatternSyntax = vsFindPatternSyntax.vsFindPatternSyntaxLiteral
   objFind.ReplaceWith = "NEW THING"
   objFind.ResultsLocation = vsFindResultsLocation.vsFindResultsNone
   objFind.SearchPath = "c:\temp"
   objFind.SearchSubfolders = False
   objFind.Target = vsFindTarget.vsFindTargetCurrentDocument
   ' Perform the Find operation.
   objFind.Execute()
End Sub
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