Returns a filter that can be used for open and save dialogs.
Result will be something like: 'JPEG Files|*.jpeg;*.jpg|GIF Files|*.gif|All Images|*.jpeg;*.jpg;*.gif...|All Files|*.*'
Parameter
Description
IsSaveDialog
If False, "All Images" and "All Files" items are included
ShowFormats
Limits the file types listed in the filter, as well determining which formats are included in the "All Image Files" filter
LimitToType
Limit the filter to a specific image format
ExtendedFilters
Specify additional file formats to include, e.g. 'Fun Bitmap|*.fun;*.fan;'
TruncExtCount
Should always be 0. When > 0 "All Files" truncates the extension list to n extensions per format
// Prompt user to open an image dlg := TOpenDialog.Create(Self); dlg.Filter := GetOpenSaveDialogFilter( False, ShowFormats, LimitToFileType, ExtendedFilters ); if dlg.Execute then ... FreeAndNil(dlg);
// Prompt user to save an image dlg := TSaveDialog.Create(Self); dlg.Filter := GetOpenSaveDialogFilter( True, ShowFormats, LimitToFileType, ExtendedFilters ); if dlg.Execute then ... FreeAndNil(dlg);
// Prompt user to open a multi-frame image dlg := TOpenDialog.Create(Self); dlg.Filter := GetOpenSaveDialogFilter( False, iesfMultiImagesOnly ); dlg.FilterIndex := FilterIndex; if dlg.Execute then ... FreeAndNil(dlg);
// Prompt user to save a multi-frame image dlg := TSaveDialog.Create(Self); dlg.Filter := GetOpenSaveDialogFilter( True, iesfMultiImagesOnly, -1, '' ); if dlg.Execute then ... FreeAndNil(dlg);
Compatibility Information
Prior to v9.2.5 there was a MultiFrameSaveOnly parameter. Code that was:
s := GetOpenSaveDialogFilter( True, iesfImagesOnly, -1, '', True );
Should be changed to:
s := GetOpenSaveDialogFilter( True, iesfMultiImagesOnly, -1, '' );