Programming Windows (Fifth Edition)

2.8.1. Chapter 8 - Beeper1

Last updated: 2001/2/28

Description

Sets up a timer so that it receives a WM_TIMER message every second. For each message, changes the color of the window between red and blue and emits a beep using MessageBeep. Note, the window starts blue and then alternates between red and blue.

For some reason I get a weird kind of beep on my laptop (more a blurp than a beep actually).

Wine tests

Works just fine, with a real beep.

Winelib tests

Same as with Wine.

2.8.2. Chapter 8 - Beeper2

Last updated: 2001/2/28

Description

Same as Beeper1 but using a callback method instead of handling the WM_TIMER message in the message loop. Note that this version starts with a white window, and then, aternates between red and blue.

For some reason I get a weird kind of beep on my laptop (more a blurp than a beep actually).

Wine tests

Works just fine, with a real beep.

Winelib tests

Same as with Wine.

2.8.3. Chapter 8 - Clock

Last updated: 2001/2/26

Description

Displays an analogic clock using the isomorphic cartographic mode which means a circle should display as a circle, not an ellipse, no matter what the resolution. But since this stuff is never setup properly...

Wine tests

In managed mode the resizes are causing problems. In particular the hands of the clock are sometimes not erased properly.

Winelib tests

Same as with Wine.

2.8.4. Chapter 8 - DigClock

Last updated: 2001/2/28

Description

Implements a clock with an LCD like display. The character resize automatically as you resize the window but they always keep the same proportions.

Wine tests

Works just like on Windows.

Winelib tests

Same as with Wine.

2.8.5. Chapter 8 - WhatClr

Last updated: 2001/2/28

Description

Creates a small window and displays the hexadecimal value of the color of the pixel under the hot-point of the cursor, wherever the cursor is on the screen. It does this by creating a special DC using 'CreateDC("DISPLAY,...)' and then using a timer to perform a periodic refresh.

Note that the window is not resizable.

Wine tests

Displays a random pixel color on startup and that's it. The problem is probably with the special CreateDC call or with updating it based on the content of the screen.
In non-managed mode the size of the window is correct, but in managed mode it is too large (too high, especially).

Winelib tests

Same as with Wine.

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