RAD Studio VCL Reference
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Specifies the mask associated with the string selected in the filter combo box.
property Mask: string;
__property AnsiString Mask;
Read Mask to obtain the mask that was selected by the user.
When the user uses the filter combo box to select a new filter, the mask associated with the selected file type becomes the value of the Mask property. If a file list box is linked to the filter combo box with the FileList property, the file list will update when the value of Mask changes.
C++ Examples:
/* This example uses a filter combo box and a file list box on a form. When the user selects a filter in the filter combo box, the file list box displays only files which match the selected mask: */ void __fastcall TForm1::FilterComboBox1Change(TObject *Sender) { FileListBox1->Mask = FilterComboBox1->Mask; } void __fastcall TForm1::FormCreate(TObject *Sender) { FilterComboBox1->Filter = "All files (*.*)|*.*| Executable files (*.exe)|*.exe"; }
Delphi Examples:
{ This example uses a filter combo box and a file list box on a form. When the user selects a filter in the filter combo box, the file list box displays only files which match the selected mask: } procedure TForm1.FilterComboBox1Change(Sender: TObject); begin FileListBox1.Mask := FilterComboBox1.Mask; end; procedure TForm1.FormCreate(Sender: TObject); begin FilterComboBox1.Filter := 'All files (*.*)|*.*| Pascal files (*.pas)|*.pas'; end;
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