diff --git a/Contrib/nsDialogs/Readme.html b/Contrib/nsDialogs/Readme.html
index a41a3f12..5a86af16 100644
--- a/Contrib/nsDialogs/Readme.html
+++ b/Contrib/nsDialogs/Readme.html
@@ -75,7 +75,11 @@ code
 <li><a href="#mref-cbaddstring">NSD_CB_AddString</a></li>
 <li><a href="#mref-cbselectstring">NSD_CB_SelectString</a></li>
 <li><a href="#mref-lbaddstring">NSD_LB_AddString</a></li>
+<li><a href="#mref-lbdelstring">NSD_LB_DelString</a></li>
+<li><a href="#mref-lbclear">NSD_LB_Clear</a></li>
+<li><a href="#mref-lbgetcount">NSD_LB_GetCount</a></li>
 <li><a href="#mref-lbselectstring">NSD_LB_SelectString</a></li>
+<li><a href="#mref-lbgetselection">NSD_LB_GetSelection</a></li>
 <li><a href="#mref-setfocus">NSD_SetFocus</a></li>
 <li><a href="#mref-setimage">NSD_SetImage</a></li>
 <li><a href="#mref-setsimage">NSD_SetStretchedImage</a></li>
@@ -727,12 +731,36 @@ SectionEnd</pre></blockquote>
 
 <p>Adds a string to a list box.</p>
 
+<h3><a name="mref-lbdelstring"></a>NSD_LB_DelString</h3>
+
+<p><code>${NSD_LB_DelString} <i>combo_HWND</i> <i>string</i></code></p>
+
+<p>Deletes a string from a list box.</p>
+
+<h3><a name="mref-lbcleqar">NSD_LB_Clear</a></h3>
+
+<p><code>${NSD_LB_Clear} <i>combo_HWND</i></code></p>
+
+<p>Deletes all strings from a list box.</p>
+
+<h3><a name="mref-lbgetcount">NSD_LB_GetCount</a></h3>
+
+<p><code>${NSD_LB_GetCount} <i>combo_HWND</i> <i>output_variable</i></code></p>
+
+<p>Retrieves the number of strings from a list box.</p>
+
 <h3><a name="mref-lbselectstring"></a>NSD_LB_SelectString</h3>
 
 <p><code>${NSD_LB_SelectString} <i>combo_HWND</i> <i>string</i></code></p>
 
 <p>Selects a string in a list box.</p>
 
+<h3><a name="mref-lbgetselection">NSD_LB_GetSelection</a></h3>
+
+<p><code>${NSD_LB_GetSelection} <i>combo_HWND</i> <i>output_variable</i></code></p>
+
+<p>Retrieves the selected stringed from a list box. Returns an empty string if no string is selected.</p>
+
 <h3><a name="mref-setfocus"></a>NSD_SetFocus</h3>
 
 <p><code>${NSD_SetFocus} <i>control_HWND</i></code></p>
diff --git a/Contrib/nsDialogs/nsDialogs.nsh b/Contrib/nsDialogs/nsDialogs.nsh
index 99028659..62315e87 100644
--- a/Contrib/nsDialogs/nsDialogs.nsh
+++ b/Contrib/nsDialogs/nsDialogs.nsh
@@ -436,6 +436,30 @@ Header file for creating custom installer pages with nsDialogs
 
 !define NSD_LB_AddString "!insertmacro _NSD_LB_AddString"
 
+!macro __NSD_LB_DelString CONTROL STRING
+
+	SendMessage ${CONTROL} ${LB_DELETESTRING} 0 `STR:${STRING}`
+
+!macroend
+
+!define NSD_LB_DelString `!insertmacro __NSD_LB_DelString`
+
+!macro __NSD_LB_Clear CONTROL VAR
+
+	SendMessage ${CONTROL} ${LB_RESETCONTENT} 0 0 ${VAR}
+
+!macroend
+
+!define NSD_LB_Clear `!insertmacro __NSD_LB_Clear`
+
+!macro __NSD_LB_GetCount CONTROL VAR
+
+	SendMessage ${CONTROL} ${LB_GETCOUNT} 0 0 ${VAR}
+
+!macroend
+
+!define NSD_LB_GetCount `!insertmacro __NSD_LB_GetCount`
+
 !macro _NSD_LB_SelectString CONTROL STRING
 
 	SendMessage ${CONTROL} ${LB_SELECTSTRING} -1 `STR:${STRING}`
@@ -444,6 +468,17 @@ Header file for creating custom installer pages with nsDialogs
 
 !define NSD_LB_SelectString "!insertmacro _NSD_LB_SelectString"
 
+!macro __NSD_LB_GetSelection CONTROL VAR
+
+	SendMessage ${CONTROL} ${LB_GETCURSEL} 0 0 ${VAR}
+	System::Call 'user32::SendMessage(i ${CONTROL}, i ${LB_GETTEXT}, i ${VAR}, t .s)'
+	Pop ${VAR}
+
+!macroend
+
+!define NSD_LB_GetSelection `!insertmacro __NSD_LB_GetSelection`
+
+
 !macro __NSD_SetImage CONTROL IMAGE HANDLE
 
 	Push $0