Solved

Printing/Scrolling Checkboxes

Posted on 1998-08-17
1
208 Views
Last Modified: 2013-12-03
Windows 3.1 'C' program using Borland 4.5
When processing WM_PAINT messages I call a function
that determines the X,Y coordinates and then writes
out some text/graphics and also uses a MoveWindow
to properly place some Checkboxes.  These Checkboxes
were created during the WM_CREATE message and arbritarily
placed at the top left corner at a size of 1 pixel.
To implement scrolling I basically used an example from
the Petzold book that setsthe scroll pos/range while
processing the scrollbar messages, and a SetWindowOrg
while processing the WM_PAINT.
This seems a little slow to me since each checkbox
must be moved via the MoveWindow.  Is there another
method to scroll the text/graphics/checkboxes that looks
more fluid.
Also, when I print I simply pass the HDC of the printer in to the function.  Everything pronts but the CheckBoxes
(not that I expected them to) How does one print Window
controls such as checkboxes?
0
Comment
Question by:cpirrita
1 Comment
 
LVL 8

Accepted Solution

by:
Answers2000 earned 100 total points
ID: 1413576
For smoother scrolling
1. Create a modeless dialog covering the surface of your whole window.  This should have no caption and WS_CHILD style.  All controls except scroll bars should be children of this window.
2. Make sure the container for the modeless dialog has WS_CLIPCHILDREN style
3. Move the modeless dialog rather than the individual controls, this way you can do the move with one op.

To print
1. Create a memory bitmap (CreateCompatibleBitmap), and DC (CreateCompatibleDC).  Select the bitmap into the DC
2. GetDC on the modeless dialog
3. BitBlt from #2 to #1
4. ReleaseDC on the modeless dialog
5. Send the bitmap to the printer
6. Clear up #1

0

Featured Post

PRTG Network Monitor: Intuitive Network Monitoring

Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

This article shows how to make a Windows 7 gadget that accepts files dropped from the Windows Explorer.  It also illustrates how to give your gadget a non-rectangular shape and how to add some nifty visual effects to text displayed in a your gadget.…
With most software applications trying to cater to multiple user needs nowadays, the focus is to make them as configurable as possible. For e.g., when creating Silverlight applications which will connect to WCF services, the service end point usuall…
This is Part 3 in a 3-part series on Experts Exchange to discuss error handling in VBA code written for Excel. Part 1 of this series discussed basic error handling code using VBA. http://www.experts-exchange.com/videos/1478/Excel-Error-Handlin…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online. The email signature template has been downloaded from: www.mail-signatures…

803 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question