用C看得懂吧!Pascal我不会啊.int sign=0;void Button1_Click(...){
if(sign==0){
OpenDialog1->Filter="*.EXE|*.exe";
OpenDialog1->Execute();
Edit1->Text=OpenDialog->FileName;
sign++;
}else{
OpenDialog1->Filter="*.htm|*.htm;*.html";
OpenDialog1->Execute();
Edit2->Text=OpenDialog->FileName;
sign--;
}
}OK啦!!!
if(sign==0){
OpenDialog1->Filter="*.EXE|*.exe";
OpenDialog1->Execute();
Edit1->Text=OpenDialog->FileName;
sign++;
}else{
OpenDialog1->Filter="*.htm|*.htm;*.html";
OpenDialog1->Execute();
Edit2->Text=OpenDialog->FileName;
sign--;
}
}OK啦!!!
比如说:加一个变量:bFirstClickFlag:Boolean;
或者判断Edit1.Text是否为空,空则打开一个文件路径,否则打开一个网页文件。
真不知你的意思。
begin
Case iState of
0:
begin
iState:=1;
//Do something
end;
1:
begin
iState:=2;
//Do something
end;
2:
begin
iState:=0;
//Do something
end;
end;
end;
sign:integer;procedure TForm1.Button1Click(Sender:TObject);
begin
if(sign=0) begin
OpenDialog1.Filter:="*.EXE¦*.exe";
OpenDialog1.Execute;
Edit1.Text:=OpenDialog.FileName;
inc(sign);
end else begin
OpenDialog1.Filter:="*.htm¦*.htm;*.html";
OpenDialog1.Execute;
Edit2.Text:=OpenDialog.FileName;
dec(sign);
end;
end;
const
sign:boolean=true; // 定义一个私有变量
begin
if sign begin
OpenDialog1.Filter:="*.EXE¦*.exe";
OpenDialog1.Execute;
Edit1.Text:=OpenDialog.FileName;
end else begin
OpenDialog1.Filter:="*.htm¦*.htm;*.html";
OpenDialog1.Execute;
Edit2.Text:=OpenDialog.FileName;
end;
sign:=not sign;
end;
你的方法不错啊,呵呵,一个按键可以搞定很多,多谢多谢!!!
呆会我试完其它兄弟的方法就给分啊!:P