Changed return type to int.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@732 971f8453-5c39-0410-a452-3998bf019487
Added singleinstance sample.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@733 971f8453-5c39-0410-a452-3998bf019487
Fixed xrc handler.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@734 971f8453-5c39-0410-a452-3998bf019487
bool <-> int conversions.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@735 971f8453-5c39-0410-a452-3998bf019487
bool <-> int conversions.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@736 971f8453-5c39-0410-a452-3998bf019487
bool <-> int conversions.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@737 971f8453-5c39-0410-a452-3998bf019487
Implemented wxUIActionSimulator.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@738 971f8453-5c39-0410-a452-3998bf019487
Added wxYield() function.
Added wxUIActionSimulator sample.
Fixed duplicate mouse button definitions.

git-svn-id: http://wxmax.googlecode.com/svn/trunk/wx.mod@739 971f8453-5c39-0410-a452-3998bf019487