NET Framework Solution In Search of the Lost Win32 API phần 10 pdf
.NET Framework Solution In Search of the Lost Win32 API phần 10 pdf
... using a single bit path. Instead of transmitting the data in packets, the sender transmits the data continuously. This technique works well in S 410 List of SidebarsChapter 2: Working with Win32 ... confusion on the part of other developers and increases the work required to use the Win32 API, without much benefit to the originator.1. Verify the type of variable that a handle or other pointer ... forget that they can access all of the features of other .NET languages using the Interaction class. Making Win32 API calls is error prone and causes performance degradation, but it’s the only way...
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.NET Framework Solution In Search of the Lost Win32 API phần 7 pdf
... the wave device.Stopping the playback means not only stopping the sound, but also moving the pointer back to the beginning of the data. When you play the sound again, Windows will begin at the ... file. The WAVE entry tells what type of RIFF data the file contains—wave (digitized) audio. The fmt entry marks the beginning of the format data,while the data entry marks the beginning of the ... pane. The RESULTDATAITEM data structure contains an item mask that indicates the type of information the resultitem will contain, the method of obtaining the information, the item image, and the...
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.NET Framework Solution In Search of the Lost Win32 API phần 9 pdf
... determines which axes of the input device are affected by the ramp. The Timing tab tells how long the effect lasts and determines if there’s a delay in starting it. Finally, the Generaltab contains ... for all three. The example changes the x− and y−coordinates to 0.300000 as shown in the following listing (you’ll find the complete listing in the Box4.X file on the CD):Making Other Changes373Where ... gain access to some types of media functionality. Of course, in the interim, we’ll discuss the main purpose of this tool—a means for testing various object combinations beforeyou place them in...
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.NET Framework Solution In Search of the Lost Win32 API phần 1 pptx
... possible.Understanding the Effects of PointersOne of the first issues that you’ll face when working with the Win32 API is the use of pointers the Win32 API uses them by the gross. You’ll find pointers as ... 421List of Listings 422Chapter 1: Overcoming Holes in the .NET Framework 422Chapter 2: Working with Win32 API Data 422Chapter 3: Accessing the Win32 API 422Chapter 4: Processing Windows Messages ... “Understanding the Effects of Pointers” section of the chapter. Essentially, you need to be able to provide the input to the Win32 API callusing something other than a pointer, which often means a either...
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.NET Framework Solution In Search of the Lost Win32 API phần 2 ppsx
... Importsstatement to the beginning of the file.5. Working with the Win32 API Working directly with the Win32 API means locating the various functions you need—they’re not all in the same DLL. In many cases, ... main DLLs,you’ll find that you can patch quite a few of the obvious support holes in the .NET Framework. Types of Win32 AccessThere are two ways to access the Win32 API functions. All of the ... the Win32 API anyway, it might be just as easy to pass the window handle to the Win32 API call routine and ask it to grab the device context. However, if you’re planning on staying mainly in the...
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.NET Framework Solution In Search of the Lost Win32 API phần 3 ppsx
... on the GetWindowText() function to display the name of the window in a textbox on the dialog. The use of an IntPtr as one of the inputs is hardly surprising, because itcontains the handle to the ... call the days of the week or the months of the year? The example in this section of the chapter is meant to augment what the .NET Framework already provides. (The fact is that the .NET Framework ... while reducing the performance overhead of interacting with the DLL.Chapter 6 begins a new phase of this book. Rather than look at the technologies involved in working with the Win32 API, we’ll...
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.NET Framework Solution In Search of the Lost Win32 API phần 4 pot
... might find other types of printers lacking in some areas.Creating the Wrapper DLL The wrapper DLL does most of the work of retrieving the printer information from the Win32 API in thiscase. There ... experiment with some of the console functions presented in this chapter.Chapter 7 continues the search for ways to plug the holes in the .NET Framework coverage of the Win32 API. In this next chapter ... displaying text on screen. Of course, the movement of text is limited by the clipping rectangle for the window. If part of the text will appear in an off−screen area as a result of the move, then the...
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.NET Framework Solution In Search of the Lost Win32 API phần 5 potx
... checking using the methods in this namespace, but it appears that the OperatingSystem class relies on the GetVersion() Win32 API call instead of the GetVersionEx() Win32 API call to obtain the ... code includes an encapsulated version of the code used to gain access to the securitydescriptor in the form of the GetFileSD() function.Listing 8.3: Gaining Access to the ACEs Means Reading the ... menu.Some of the new user interface features come in the form of conveniences. For example, the new interfacewill allow user switching with a minimum of problems. One of the problems with the user...
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.NET Framework Solution In Search of the Lost Win32 API phần 6 pps
... haven’t discussed many of the buttons on the left side of the Windows Media Player yet. You’ll find thatseveral of them enable you to find media on the Internet. The main Internet button is Media ... problems—you obtain information on every aspect of the Win32 API call.Tip Many other developers are struggling with the same problems that you face in working with the .NET Framework. In a few cases, ... functionality.Avoiding compatibility problems means more than just knowing the contents of the Microsoft KnowledgeBase and the version of Windows installed on the host system. The final piece in the version...
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.NET Framework Solution In Search of the Lost Win32 API phần 8 pot
... re−create the MAKE_HRESULT() macro for other Win32 API function calls. The third approach is the one used in the example. It creates functions the emulate both of the macros. Listing 14.3 shows the ... SizeConst=Functions.DD_ROP_SPACE)]public UInt32 []dwRops; The magic of this solution is all in the [MarshalAs] attribute. However, it begins with a correct definition of the array type. The original array definition is commented ... hold the UInt32 value and then cast that value it an Int32 as shown. This technique has the advantage of fullydocumenting the process and also retaining the original error value.Creating DirectX...
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