diff --git a/visualc/_build_all.dsp b/visualc/_build_all.dsp
new file mode 100644
index 0000000..15663bf
--- /dev/null
+++ b/visualc/_build_all.dsp
@@ -0,0 +1,63 @@
+# Microsoft Developer Studio Project File - Name="_build_all" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Generic Project" 0x010a
+
+CFG=_build_all - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "_build_all.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "_build_all.mak" CFG="_build_all - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "_build_all - Win32 Release" (based on "Win32 (x86) Generic Project")
+!MESSAGE "_build_all - Win32 Debug" (based on "Win32 (x86) Generic Project")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+MTL=midl.exe
+
+!IF  "$(CFG)" == "_build_all - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir ""
+# PROP BASE Intermediate_Dir "temp"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir ""
+# PROP Intermediate_Dir "temp"
+# PROP Target_Dir ""
+
+!ELSEIF  "$(CFG)" == "_build_all - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir ""
+# PROP BASE Intermediate_Dir "temp"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir ""
+# PROP Intermediate_Dir "temp"
+# PROP Target_Dir ""
+
+!ENDIF 
+
+# Begin Target
+
+# Name "_build_all - Win32 Release"
+# Name "_build_all - Win32 Debug"
+# End Target
+# End Project