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Congratulations strongm on being selected by the Tek-Tips community for having the most helpful posts in the forums last week. Way to Go!
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circle
Or make half a quadrant and mirror across the line x=y ie. xmirror = y ymirror = x So only 1/8 of the points on a circle need trig/floating point calculation, the other 7/8 are reflections. abing734@yahoo.com- abing
- Post #4
- Forum: Microsoft: Visual C++
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circle
make one quadrant... for (theta = 0; theta <= PI/2; theta+= delta) { x = radius * Cos(theta); y = radius * Sin(theta); [ or y = sqrt(rr - x * x) ] ... the other quadrants are -x,y x,-y -x,-y } abing734@yahoo.com- abing
- Post #3
- Forum: Microsoft: Visual C++
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Hide PAssword characters - How?
OK, Just check the "Password" box, that wasnt so hard abing734@yahoo.com- abing
- Post #2
- Forum: Microsoft: Visual C++
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Dialog based application scoping problem
Send a Message back to the Application Dialog. see http://www.codeproject.com/dialog/messagehandling2.asp BUT I got along fine doing this for "PrintME" - I send a message from a child dialog to the main dialog, which knows the CWnd of the child and so can print it. However one day... -
Hide PAssword characters - How?
How do I get User input of password as *********** - Is there an easy way, apart from GetChar or somesuch- ever since DOS died Wind has has indigestion over character input - please dont ask me to trap PreTranslate or some other Wind mumbo-jumbo. abing734@yahoo.com- abing
- Thread
- Replies: 1
- Forum: Microsoft: Visual C++
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Adding a column to DataGrid ...
I used DataGrid then I discovered they only work in MDAC 2.6 Change to MDAC 2.7 and MFC++ drops them, [this is an irreversable change...] I believe VB still has them. (Basic is becomming the Data access language, C++ is being orphaned.. our beloved founder evidently has fond memories of Basic)...- abing
- Post #2
- Forum: Microsoft: Visual C++
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HOW DOES ONE USE THE SRAND AND RAND() FUNCTIONS
using rand: Do this Once only: LARGE_INTEGER gint; QueryPerformanceCounter(&gint); // srand(gint.LowPart); Do this every time you need a random number 2..10 int p = (rand() % 9) + 2 ;- abing
- Post #2
- Forum: Microsoft: Visual C++
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Creaky: Message & Modal Dialog
So far I have MFC: 1) sending a "Delete" message when the "Close" button is clicked. So I cant rely on a component giving the correct msg 2) spawning CScroll messages when the scroll is dragged [case SB_THUMBTRACK] despite a modal dialog box being shown. So I cant rely...- abing
- Thread
- Replies: 0
- Forum: Microsoft: Visual C++
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MFC creaky in Messages & Modal Dialogs
sorry, wrong forum I should be in Microsoft Visual C++ NOT C++ ; Microsoft.... -
MFC creaky in Messages & Modal Dialogs
So far I have MFC: 1) sending a "Delete" message when the "Close" button is clicked. So I cant rely on a component giving the correct msg 2) spawning CScroll messages when the scroll is dragged [case SB_THUMBTRACK] despite a modal dialog box being shown. So I cant rely... -
VS6 insists on HTML "Do You Wish to Debug"
I got this from MSoft newsgrp: from "Max[MS]" <max@online.microsoft.com> 1. Open IE, click Tools->Internet Options. 2. In the Advanced tab, check Browsing/Disable script debugging. I dont know for sure, but I bet it works... abing -
C++ Random Number Generator?
Seed: LARGE_INTEGER gint; QueryPerformanceCounter(&gint); srand(gint.LowPart ); QueryPerformanceCounter is much better than the clock (ticks millions of times/second) -
VS6 insists on HTML "Do You Wish to Debug"
Since I Installed Visual Studio 6 it finds errors in half the Web pages I visit, & flashes "An error has occurred Do You Wish to Debug" - how can I kill this fatuous toad? abing734@yahoo.com
