从richedit拖文本到edit,其他的都一样
procedure TForm1.Edit1DragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
begin
if Source is TRichedit then
Accept:=true
else
Accept:=false;
end;procedure TForm1.Edit1DragDrop(Sender, Source: TObject; X, Y: Integer);
begin
if Source is TRichedit then
Edit1.Text :=s;
end;procedure TForm1.RichEdit1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button=mbLeft then
begin
if RichEdit1.SelLength >0 then
begin
s:=RichEdit1.seltext;
RichEdit1.BeginDrag(false);
end;
end;
end;procedure TForm1.RichEdit1EndDrag(Sender, Target: TObject; X, Y: Integer);
begin
if target<> nil then
RichEdit1.Update ;
end;
procedure TForm1.Edit1DragOver(Sender, Source: TObject; X, Y: Integer;
State: TDragState; var Accept: Boolean);
begin
if Source is TRichedit then
Accept:=true
else
Accept:=false;
end;procedure TForm1.Edit1DragDrop(Sender, Source: TObject; X, Y: Integer);
begin
if Source is TRichedit then
Edit1.Text :=s;
end;procedure TForm1.RichEdit1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button=mbLeft then
begin
if RichEdit1.SelLength >0 then
begin
s:=RichEdit1.seltext;
RichEdit1.BeginDrag(false);
end;
end;
end;procedure TForm1.RichEdit1EndDrag(Sender, Target: TObject; X, Y: Integer);
begin
if target<> nil then
RichEdit1.Update ;
end;
你可以看看它的源码(仔细找找看,我记不清具体在哪里了)