Visual Basic Programming Code Examples

Using INI-files with your application using INI-files (vb3) 'on a module Option Explicit Declare Function getprivateprofilestring Lib "Kernel" (ByVal SName$, ByVal KName$, ByVal def$, ByVal ret$, ByVal size%, ByVal inifilename$) as Integer Declare Function writeprivateprofilestring Lib "Kernel" (ByVal SName$, ByVal KName$, ByVal SValue$, ByVal inifilename$) as Integer 'in the general section of the form Dim inifile$ Dim UserName$ Sub Form_load 'give youre ini file the same name and location as youre executable only the extensie is different inifile = app.Path & "\" & app.EXEName & ".ini" 'or if you want use the default windows-directory 'inifile = app.EXEName & ".ini" 'rest of code End sub Sub ReadIniFile 'This will look for the sector [options] 'and the entry 'name' 'the value will be written into the variable UserName$ dim succes#, t% dim SName$, KName$, ret$ SName = "options" KName = "name" ret = String(255, 0) succes = getprivateprofilestring(SName, KName, "", ret, Len(ret), inifile) If succes Then UserName$ = Left$(ret, t% - 1) End Sub Sub WriteIniFile 'this will write the value of the variable UserName 'behind the entry 'name' 'under teh section [options] dim succes% dim SName$, KName$ SName = "options" KName = "name" succes = writeprivateprofilestring(SName, KName, UserName$ , inifile) End sub 'using the WriteIniFile will make the sector and entry even if they don't exist. 'So just an errochecking in the ReadIniFile ;-) 'in case success = False Return