Allow wrapping search term in double-quotes to get exact matches.

This'll be used for the ID search. We're also putting the search box text into a variable now, too.

guinget/MainWindow.resx

@@ -123,9 +123,6 @@
   <metadata name="contextmenustripPackageMenu.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>357, 17</value>
   </metadata>
-  <data name="textboxPackageDetails.Text" xml:space="preserve">
-    <value>No package is selected or the package list hasn't been loaded yet. You can load the package list by using the Refresh cache toolbar button, by going to Package list&gt;Refresh cache, or by pressing Ctrl+R.</value>
-  </data>
   <metadata name="PkgAction.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
@@ -147,6 +144,9 @@
   <metadata name="Manifest.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <data name="textboxPackageDetails.Text" xml:space="preserve">
+    <value>No package is selected or the package list hasn't been loaded yet. You can load the package list by using the Refresh cache toolbar button, by going to Package list&gt;Refresh cache, or by pressing Ctrl+R.</value>
+  </data>
   <metadata name="toolstripMainWindow.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>153, 17</value>
   </metadata>

guinget/MainWindow.vb

@@ -695,14 +695,26 @@ Public Class aaformMainWindow
             ' Update main window.
             aaformMainWindow.Update()
 
+            Dim SearchTerm As String = aaformMainWindow.toolstriptextboxSearch.Text
+
             For Each searchRow As DataGridViewRow In aaformMainWindow.datagridviewPackageList.Rows
                 ' Look in each row in the datagridview, and see what text it has.
-                If searchRow.Cells.Item(2).Value.ToString.ToLowerInvariant.Contains(aaformMainWindow.toolstriptextboxSearch.Text.ToLowerInvariant) Then
-                    ' If the Package ID cell contains what's in the search box, show it.
-                    searchRow.Visible = True
-                Else
-                    ' Otherwise, hide it.
-                    searchRow.Visible = False
+                ' If it starts and ends with double-quotes, remove them and do an exact match.
+                If SearchTerm.ToLowerInvariant.StartsWith("""") AndAlso SearchTerm.ToLowerInvariant.EndsWith("""") Then
+                    ' Set all rows visible to what's in the search box without the start and end.
+                    If searchRow.Cells.Item(2).Value.ToString.ToLowerInvariant = SearchTerm.ToLowerInvariant.Trim(CChar("""")) Then
+                        ' Set only exactly-matching rows to show.
+                        searchRow.Visible = True
+                    Else
+                        ' Otherwise, hide it.
+                        searchRow.Visible = False
+                    End If
+                ElseIf searchRow.Cells.Item(2).Value.ToString.ToLowerInvariant.Contains(SearchTerm.ToLowerInvariant) Then
+                        ' If the Package ID cell contains what's in the search box, show it.
+                        searchRow.Visible = True
+                    Else
+                        ' Otherwise, hide it.
+                        searchRow.Visible = False
                 End If
                 ' Make the progress bar progress.
                 aaformMainWindow.toolstripprogressbarLoadingPackages.PerformStep()