GetCurrentVersion: what changed

Revision 0 to 1. Removed lines have a minus sign; added lines have a plus sign.

Title: GetCurrentVersion

New		Line
1	+	Return to the [[Code Examples\|Code Examples page]].
2	+
3	+	This article deals with Windows programming.
4	+
5	+	The function determines the current version of your own program.
6	+
7	+	``` pascal
8	+	uses
9	+	Windows, SysUtils, ...;
10	+
11	+	...
12	+
13	+	function funGetCurrentVersion: string;
14	+	var
15	+	lwdVerInfoSize: longword;
16	+	lwdVerValueSize: longword;
17	+	lwdDummy: longword;
18	+	ptrVerInfo: pointer;
19	+	VersionsInformation: PVSFixedFileInfo;
20	+
21	+	begin
22	+
23	+	lwdVerInfoSize: = GetFileVersionInfoSize(PChar(ParamStr(0)), lwdDummy);
24	+	GetMem(ptrVerInfo, lwdVerInfoSize);
25	+	GetFileVersionInfo(PChar(ParamStr(0)), 0, lwdVerInfoSize, ptrVerInfo);
26	+	VerQueryValue (ptrVerInfo, '\', Pointer(VersionsInformation), lwdVerValueSize);
27	+
28	+	with VersionsInformation^ do
29	+	begin
30	+	Result: = IntToStr (dwFileVersionMS shr 16);
31	+	Result: = Result + '.' + IntToStr(dwFileVersionMS and $ FFFF);
32	+	Result: = Result + '.' + IntToStr(dwFileVersionLS shr 16);
33	+	Result: = Result + '.' + IntToStr(dwFileVersionLS and $ FFFF);
34	+	end;
35	+
36	+	FreeMem(ptrVerInfo, lwdVerInfoSize);
37	+
38	+	end;
39	+
40	+	...
41	+	```
42	+
43	+	---
44	+	From the Free Pascal wiki, page "GetCurrentVersion", as it stood on 2020-02-16 after a change by Trev, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's [[Licensing]] page. If you have concerns about this material, [message the admin](/wiki-contact).