unit Video interface uses Windows, Messages, SysUtils, Classes, Gr...

代码说明：

unit Video interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, stdctrls, ExtCtrls, avicap, mmsystem, dsgnintf // Types for event-procedures type TCapStatusProc = procedure(Sender: TObject) of object TCapStatusCallback = procedure(Sender: TObject nID: integer status: string) of object TVideoStream = procedure(sender: TObject lpVhdr: PVIDEOHDR) of object TAudioStream = procedure(sender: TObject lpWHdr: PWAVEHDR) of object // Property Editor for driver selection type TDrivereditor = class(TPropertyEditor) function GetAttributes: TPropertyAttributes override procedure GetValues(Proc: TGetStrProc) override function GetValue: string override procedure SetValue(const Value: string) override end -unit Video interfaceuses Windows, Messages, SysUtils, Classes, Graphics, Controls, stdctrls, ExtCtrls, avicap, mmsystem, dsgnintf// Types for event-procedurestype TCapStatusProc = procedure (Sender: TObject)