diff --git a/CHANGELOG b/CHANGELOG
index 30f89ad5f..8cae3b36f 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -135,6 +135,7 @@
 - clean up code for managing extensions
 - fix renaming of folders via webdav
 - fix list of expired documents on MyDocuments page
+- pass showtree to ViewDocument (Closes: #462)
 
 --------------------------------------------------------------------------------
                      Changes in version 5.1.13
diff --git a/SeedDMS_Preview/Preview/Base.php b/SeedDMS_Preview/Preview/Base.php
index f8723ee29..c8401bb48 100644
--- a/SeedDMS_Preview/Preview/Base.php
+++ b/SeedDMS_Preview/Preview/Base.php
@@ -50,6 +50,12 @@ class SeedDMS_Preview_Base {
 	 */
 	protected $xsendfile;
 
+	/**
+	 * @var string $lastpreviewfile will be set to the file name of the last preview
+	 * @access protected
+	 */
+	protected $lastpreviewfile;
+
 	function __construct($previewDir, $timeout=5, $xsendfile=true) { /* {{{ */
 		if(!is_dir($previewDir)) {
 			if (!SeedDMS_Core_File::makeDir($previewDir)) {
@@ -158,14 +164,14 @@ class SeedDMS_Preview_Base {
 		return array_key_exists($mimetype, $this->converters) && $this->converters[$mimetype];
 	} /* }}} */
 
-/**
- * Send a file from disk to the browser
- *
- * This function uses either readfile() or the xѕendfile apache module if
- * it is installed.
- *
- * @param string $filename
- */
+	/**
+	 * Send a file from disk to the browser
+	 *
+	 * This function uses either readfile() or the xѕendfile apache module if
+	 * it is installed.
+	 *
+	 * @param string $filename
+	 */
 	protected function sendFile($filename) { /* {{{ */
 		if($this->xsendfile && function_exists('apache_get_modules') && in_array('mod_xsendfile',apache_get_modules())) {
 			header("X-Sendfile: ".$filename);
@@ -177,5 +183,14 @@ class SeedDMS_Preview_Base {
 			readfile($filename);
 		}
 	} /* }}} */
+
+	/**
+	 * Return path of last created preview file
+	 *
+	 * @return string
+	 */
+	public function getPreviewFile() { /* {{{ */
+		return $this->lastpreviewfile;
+	} /* }}} */
 }
 
diff --git a/SeedDMS_Preview/Preview/PdfPreviewer.php b/SeedDMS_Preview/Preview/PdfPreviewer.php
index daae6a4ed..d4cc0b477 100644
--- a/SeedDMS_Preview/Preview/PdfPreviewer.php
+++ b/SeedDMS_Preview/Preview/PdfPreviewer.php
@@ -96,6 +96,7 @@ class SeedDMS_Preview_PdfPreviewer extends SeedDMS_Preview_Base {
 			return false;
 		if(!$target)
 			$target = $this->previewDir.$dir.md5($infile);
+		$this->lastpreviewfile = $target.'.png';
 		if($target != '' && (!file_exists($target.'.pdf') || filectime($target.'.pdf') < filectime($infile))) {
 			$cmd = '';
 			$mimeparts = explode('/', $mimetype, 2);
@@ -110,6 +111,7 @@ class SeedDMS_Preview_PdfPreviewer extends SeedDMS_Preview_Base {
 				try {
 					self::execWithTimeout($cmd, $this->timeout);
 				} catch(Exception $e) {
+					$this->lastpreviewfile = '';
 					return false;
 				}
 			}
diff --git a/SeedDMS_Preview/Preview/Previewer.php b/SeedDMS_Preview/Preview/Previewer.php
index 9e2fe2a34..ba69b75a4 100644
--- a/SeedDMS_Preview/Preview/Previewer.php
+++ b/SeedDMS_Preview/Preview/Previewer.php
@@ -105,6 +105,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 			return false;
 		if(!$target)
 			$target = $this->previewDir.$dir.md5($infile).'-'.$width;
+		$this->lastpreviewfile = $target.'.png';
 		if($target != '' && (!file_exists($target.'.png') || filectime($target.'.png') < filectime($infile))) {
 			$cmd = '';
 			$mimeparts = explode('/', $mimetype, 2);
@@ -120,6 +121,7 @@ class SeedDMS_Preview_Previewer extends SeedDMS_Preview_Base {
 				try {
 					self::execWithTimeout($cmd, $this->timeout);
 				} catch(Exception $e) {
+					$this->lastpreviewfile = '';
 					return false;
 				}
 			}
diff --git a/SeedDMS_Preview/package.xml b/SeedDMS_Preview/package.xml
index 9ecce9466..aa4a3992f 100644
--- a/SeedDMS_Preview/package.xml
+++ b/SeedDMS_Preview/package.xml
@@ -11,11 +11,11 @@
   <email>uwe@steinmann.cx</email>
   <active>yes</active>
  </lead>
- <date>2019-02-11</date>
+ <date>2020-01-21</date>
  <time>10:59:39</time>
  <version>
-  <release>1.2.10</release>
-  <api>1.2.10</api>
+  <release>1.3.0</release>
+  <api>1.3.0</api>
  </version>
  <stability>
   <release>stable</release>
@@ -23,10 +23,7 @@
  </stability>
  <license uri="http://opensource.org/licenses/gpl-license">GPL License</license>
  <notes>
-make sure list of converters is always an array
-usage of mod_sendfile can be configured
-new parameter for enabling/disabling xsendfile
-fix creation of pdf preview if document content class is not SeedDMS_Core_DocumentContent
+add new methode getPreviewFile()
  </notes>
  <contents>
   <dir baseinstalldir="SeedDMS" name="/">
@@ -406,5 +403,22 @@ make sure list of converters is always an array
 usage of mod_sendfile can be configured
    </notes>
   </release>
+  <release>
+   <date>2019-02-11</date>
+   <time>10:59:39</time>
+   <version>
+    <release>1.2.10</release>
+    <api>1.2.10</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <license uri="http://opensource.org/licenses/gpl-license">GPL License</license>
+    <notes>
+new parameter for enabling/disabling xsendfile
+fix creation of pdf preview if document content class is not SeedDMS_Core_DocumentContent
+   </notes>
+  </release>
  </changelog>
 </package>
diff --git a/out/out.ViewDocument.php b/out/out.ViewDocument.php
index 8d9387628..0eb348312 100644
--- a/out/out.ViewDocument.php
+++ b/out/out.ViewDocument.php
@@ -90,6 +90,7 @@ if($view) {
 	$view->setParam('pdfConverters', isset($settings->_converters['pdf']) ? $settings->_converters['pdf'] : array());
 	$view->setParam('checkOutDir', $settings->_checkOutDir);
 	$view->setParam('showFullPreview', $settings->_showFullPreview);
+	$view->setParam('showtree', showtree());
 	$view->setParam('convertToPdf', $settings->_convertToPdf);
 	$view->setParam('currenttab', isset($_GET['currenttab']) ? $_GET['currenttab'] : "");
 	$view->setParam('timeout', $settings->_cmdTimeout);