drvedit.pas
上传用户:hylc_2004
上传日期:2014-01-23
资源大小:46800k
文件大小:2k
- unit drvedit;
- interface
- procedure Register;
- implementation
- uses classes,{$IFDEF VER130} DsgnIntf, {$ELSE} DesignEditors, DesignIntf, {$ENDIF}sysutils,vfw,videocap;
- // Property Editor for driver selection in Video-Cap
- type TDrivereditor= class (TPropertyEditor)
- function GetAttributes:TPropertyAttributes;override;
- procedure GetValues(Proc: TGetStrProc);override;
- function GetValue:string;override;
- procedure SetValue(const Value: string);override;
- end;
- function TDriverEditor.GetAttributes:TPropertyAttributes;
- begin
- result :=[paRevertable,paValueList];
- end;
- procedure TDriverEditor.GetValues(Proc: TGetStrProc);
- var i:integer;
- name:array[0..80] of char;
- ver :array[0..80] of char;
- s:string;
- begin
- for i:= 0 to 9 do
- begin
- if capGetDriverDescription( i,name,80,ver,80) then
- s:=strpas(name)
- else
- s:='' ;
- proc(s);
- end;
- end;
- function TDriverEditor.GetValue:string;
- var n:array[0..80] of char;
- ver :array[0..80] of char;
- s:string;
- begin
- with Getcomponent(0) as TVideoCap do
- begin
- if capGetDriverDescription( DriverIndex,n,80,ver,80) then
- s:=strpas(n)
- else
- s:='' ;
- end;
- result:= s; //fVideoDrivername;
- end;
- procedure TDriverEditor.SetValue(const Value: string);
- begin
- with Getcomponent(0) as TVideoCap do
- SetDrivername( value) ;
- Modified;
- end;
- procedure Register;
- begin
- RegisterPropertyEditor(TypeInfo(string),TVideoCap,'DriverName',TDriverEditor);
- end;
- end.