Mega Code Archive
How to get the MIME type of a file
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Title: How to get the MIME type of a file
function GetMIMEType(FileExt: string): string;
var
I: Integer;
S: array[0..255] of Char;
const
MIMEStart = 101;
// ID of first MIME Type string (IDs are set in the .rc file
// before compiling with brcc32)
MIMEEnd = 742; //ID of last MIME Type string
begin
Result := 'text/plain';
// If the file extenstion is not found then the result is plain text
for I := MIMEStart to MIMEEnd do
begin
LoadString(hInstance, I, @S, 255);
// Loads a string from mimetypes.res which is embedded into the
// compiled exe
if Copy(S, 1, Length(FileExt)) = FileExt then
// "If the string that was loaded contains FileExt then"
begin
Result := Copy(S, Length(FileExt) + 2, 255);
// Copies the MIME Type from the string that was loaded
Break;
// Breaks the for loop so that it won't go through every
// MIME Type after it found the correct one.
end;
end;
end;
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