https://it-raboese.de/dokuwiki/ 2026-05-03T11:33:30+0000 https://it-raboese.de/dokuwiki/ https://it-raboese.de/dokuwiki/lib/tpl/dokuwiki/images/favicon.ico text/html 2017-11-21T14:39:25+0000 Anonymous (anonymous@undisclosed.example.com) https://it-raboese.de/dokuwiki/doku.php?id=windows:programming:net:code_snippsets:float_culture_decimal_mark&rev=1511275165&do=diff CultureInfo Float , . Dezimal Trenner C# System.Globalization.CultureInfo ci; ci = System.Globalization.CultureInfo.CreateSpecificCulture("en-EN"); Single f = Single.Parse("1.09", ci); text/html 2021-08-26T09:19:55+0000 Anonymous (anonymous@undisclosed.example.com) https://it-raboese.de/dokuwiki/doku.php?id=windows:programming:net:code_snippsets:free_icon_systemtray&rev=1629969595&do=diff Erstelltes Icon für Systemtray wird nicht sauber freigegeben Wenn sich mal wieder was im -.Net verklemmt ;), dann muss man eben hart über die Win-API nachhelfen. Fehler ist, dass das erstelle Icon für den System-Tray nicht wieder freigegebn wird text/html 2017-11-21T14:41:52+0000 Anonymous (anonymous@undisclosed.example.com) https://it-raboese.de/dokuwiki/doku.php?id=windows:programming:net:code_snippsets:timestamp&rev=1511275312&do=diff Unix Timestamp long ToUnixTimestamp(System.DateTime dt){ DateTime unixRef = new DateTime(1970, 1, 1, 0, 0, 0); return (dt.Ticks - unixRef.Ticks) / 10000000; } DateTime FromUnixTimestamp(long timestamp){ DateTime unixRef = new DateTime(1970, 1, 1, 0, 0, 0); return unixRef.AddSeconds(timestamp); } text/html 2017-11-21T14:52:26+0000 Anonymous (anonymous@undisclosed.example.com) https://it-raboese.de/dokuwiki/doku.php?id=windows:programming:net:code_snippsets:transparent_picturebox&rev=1511275946&do=diff Transparente Picturebox <https://stackoverflow.com/questions/8688295/how-to-make-a-picturebox-truly-transparent> <http://dotmad.blogspot.de/2007/11/five-steps-for-creating-transparent.html> " "After much testing this is the correct formula for a truly transparent user control: " " Derive from Panel rather then UserControl. Override the OnPaintBackground function: protected override void OnPaintBackground(PaintEventArgs pevent){ //do nothing } text/html 2017-11-21T14:38:10+0000 Anonymous (anonymous@undisclosed.example.com) https://it-raboese.de/dokuwiki/doku.php?id=windows:programming:net:code_snippsets:winform_close&rev=1511275090&do=diff Windows Form schließen Private Sub Form1_FormClosing(ByVal sender As Object, ByVal e As System.Windows.Forms.FormClosingEventArgs) Handles Me.FormClosing Select Case e.CloseReason Case CloseReason.ApplicationExitCall 'Application.exit wurde aufgerufen Case CloseReason.TaskManagerClosing 'beendet durch Taskmanager Case CloseReason.UserClosing 'User hat das Fenster geschlossen Case CloseReason…