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Thursday, May 03, 2007 4:50 PM

Vista Aero DWM seems to optimize out GDI paint calls

In this post: Foxpro Menu items, combo boxes not refreshing selected item under Aero in Vista I describe a problem in Foxpro where menu and list items that are supposed to be non-selected aren’t painted correctly. I described a workaround: call the GdiSetBatchLimit
Posted by Calvin_Hsia | 6 Comments
Tuesday, May 01, 2007 2:30 PM

Windows Vista Aero BorderStyle Paint problem as non Administrator

Above is an image of an inner form (from the C++ project below) before and after I dragged it a little bit up and left to obscure the title bar, then back to the original position. You can see the title, icon, close/minimize buttons were not painted correctly.
Posted by Calvin_Hsia | 8 Comments
Friday, April 27, 2007 5:31 PM

Fix your forms to paint borders correctly under Vista Aero

Apparently, the borders of some forms don’t get painted correctly on Windows Vista. When executing a Fox Form, Fox asks Windows to create a window, then sets the BorderStyle of the window. Apparently, under Vista Aero (except as Administrator), the BorderStyle
Posted by Calvin_Hsia | 12 Comments
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Thursday, April 26, 2007 11:28 AM

Foxpro Menu items, combo boxes not refreshing selected item under Aero in Vista

If you’re running a Foxpro application under Vista when using Aero , you might encounter a problem when scrolling through lists, such as intellisense dropdowns, comboboxes, menus. As you move from one item in the list to the next, each item in turn appears
Posted by Calvin_Hsia | 10 Comments
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Monday, August 28, 2006 5:07 PM

Create an ActiveX control using ATL that you can use from Fox, Excel, VB6, VB.Net

Creating an ActiveX control is a good exercise in understanding how one works. It also helps to have full control over its source code for learning and testing purposes. A customer asked about migrating legacy ActiveX controls over to .Net. Many controls
Posted by Calvin_Hsia | 13 Comments
Wednesday, November 09, 2005 10:00 PM

Windows Security and how it affects running generated code

Here I described how VFP generates executable code and runs it for early and late binding COM clients and implementing COM interfaces. However, there is an important issue with generating and running executable code in the same process. A computer has
Posted by Calvin_Hsia | 6 Comments
 
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