在windows右键菜单中加上关联

时间：2011-01-13 来源：梧桐栖凤

uses Registry;

function RegisterFileTypeCommand(fileExtension, menuItemText, target: string) : boolean;
var
reg: TRegistry;
fileType: string;
begin
result := false;
reg := TRegistry.Create;
with reg do
try
    RootKey := HKEY_CLASSES_ROOT;
    if OpenKey('.' + fileExtension, True) then
    begin
      fileType := ReadString('') ;
      if fileType = '' then
      begin
        fileType := fileExtension + 'file';
        WriteString('', fileType) ;
      end;
      CloseKey;
      if OpenKey(fileType + '\shell\' + menuItemText + '\command', True) then
      begin
        WriteString('', target + ' "%1"') ;
        CloseKey;
        result := true;
      end;
    end;
finally
    Free;
end;
end;

function UnRegisterFileTypeCommand(fileExtension, menuItemText: string) : boolean;
var
reg: TRegistry;
fileType: string;
begin
result := false;
reg := TRegistry.Create;
with reg do
try
    RootKey := HKEY_CLASSES_ROOT;
    if OpenKey('.' + fileExtension, True) then
    begin
      fileType := ReadString('') ;
      CloseKey;
    end;
    if OpenKey(fileType + '\shell', True) then
    begin
      DeleteKey(menuItemText) ;
      CloseKey;
      result := true;
    end;
finally
    Free;
end;
end;