我想要打印Notebook1中其Notebook1.PageIndex:=8的所有内容,怎么写打印按钮代码?下面是我的写的代码,可是打出来的是白纸
procedure TfrmMain.SpeedButton92Click(Sender: TObject);
var
start,stop:integer;begin
Notebook1.PageIndex:=8 ;
printdialog1.FromPage := Notebook1.PageIndex;
printdialog1.ToPage :=Notebook1.PageIndex;
if printdialog1.Execute then
begin
with printdialog1 do
begin
if printrange=prselection then
begin
start:=Notebook1.PageIndex;
stop:=start;
end;
end;
end;
with printer do
begin begindoc;
下面的代码要怎么写才能打印出Notebook1.PageIndex:=8当中的所有内容,Notebook1.PageIndex:=8这一页中放有3GroupBox,在GroupBox里面放有Label和Panel
// printer.Canvas.Draw(0,0,Image13.Picture.Graphic);这一句加了可以打印Image13背景图片,可是以A4纸打印出来是很小的。
//printer.Canvas.Ellipse(0,0,Notebook1.Width,Notebook1.Height);加这一句能打印出一个小椭圆。
enddoc;
end; end;
procedure TfrmMain.SpeedButton92Click(Sender: TObject);
var
start,stop:integer;begin
Notebook1.PageIndex:=8 ;
printdialog1.FromPage := Notebook1.PageIndex;
printdialog1.ToPage :=Notebook1.PageIndex;
if printdialog1.Execute then
begin
with printdialog1 do
begin
if printrange=prselection then
begin
start:=Notebook1.PageIndex;
stop:=start;
end;
end;
end;
with printer do
begin begindoc;
下面的代码要怎么写才能打印出Notebook1.PageIndex:=8当中的所有内容,Notebook1.PageIndex:=8这一页中放有3GroupBox,在GroupBox里面放有Label和Panel
// printer.Canvas.Draw(0,0,Image13.Picture.Graphic);这一句加了可以打印Image13背景图片,可是以A4纸打印出来是很小的。
//printer.Canvas.Ellipse(0,0,Notebook1.Width,Notebook1.Height);加这一句能打印出一个小椭圆。
enddoc;
end; end;
Form1.Print;
procedure TForm1.Button1Click(Sender:TObject);var
I, Start, Stop: Integer;
begin
PrintDialog1.Options := [poPageNums, poSelection];
PrintDialog1.FromPage := 1;
PrintDialog1.MinPage := 1;
PrintDialog1.ToPage := PageControl1.PageCount;
PrintDialog1.MaxPage := PageControl1.PageCount;
if PrintDialog1.Execute then
begin
{ determine the range the user wants to print }
with PrintDialog1 do
begin
if PrintRange = prAllPages then begin
Start := MinPage - 1;
Stop := MaxPage - 1;
end
else if PrintRange = prSelection then
begin
Start := PageControl1.ActivePage.PageIndex;
Stop := Start;
end
else { PrintRange = prPageNums }
begin
Start := FromPage - 1;
Stop := ToPage - 1;
end;
end;
{ now, print the pages } with Printer do
begin
BeginDoc;
for I := Start to Stop do
begin
PageControl1.Pages[I].PaintTo(Handle, 10, 10);
if I <> Stop then
NewPage;
end;
EndDoc;
end;
end;end;
我弄的是Notebook1,改成Notebook1时,这里会有错,上面的代码开始看过的