我想利用可變類類型,以儘量減少此代碼,它是從屬性和事件: if ctype='T' then
begin
C:= TTimeEdit.Create(self);
(c as TTimeEdit).OnMouseUp:= Panel2MouseUp;
(c as TTimeEdit).OnMouseDown:= Panel2MouseDown;
(c as
德爾福記錄幫手我有這樣的代碼: type
TSolution = record
x1, x2, i1, i2: double;
end;
TSupport = record helper for TSolution
function toFraction: string;
end;
而且我希望能夠調用這樣的內部(例如)按鈕單擊事件: var k: TSolutio