mshtml: Added DISPATCH_PROPERTYGET|DISPATCH_METHOD flags support for elements exposed as window properties.

comdlg32: Use a ComboBoxEx control for the filename if the structure size is not the nt40 version size.

Add NULL and insufficient buffer tests for PathCreateFromUrl().

Based on patch by Eduard - Gabriel Munteanu.

d3dx9_36: Cube texture can be loaded as a simple texture. The first face texture is taken in that case.