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Reserve virtual memory C++, Windows?


The solution is very simple if you want to reserve virtual memory with C++ under Windows!

 

Contents:
1.) ... The program command to reserve virtual memory!
2.) ... The difference between VirtualAlloc and VirtualAllocEX?

1.) The program command to reserve virtual memory!

VirtualAlloc (
__in_opt LPVOID lpAddress,
__in SIZE_T dwSize,
__in DWORD flAllocationType,
__in DWORD flProtect
);



VirtualAllocEx (
__in HANDLE hProcess,
__in_opt LPVOID lpAddress,
__in SIZE_T dwSize,
__in DWORD flAllocationType,
__in DWORD flProtect
);

2.) The difference between VirtualAlloc and VirtualAllocEX?


With the VirtualAllocEX you can also specify the HANDLE hProcess, for example, to send memory queries to other Windows processes, which is necessary for monitoring and other cross-process access.

FAQ 9: Updated on: 16 April 2020 08:35 Windows
Windows-CPP-und-C

Listview set thumbnails size!


You can quickly set the size of the thumbnails in the list view, and there are no restrictions on the size   HIMAGELIST CreateNewImageListHWND m_hWnd,
Windows-CPP-und-C

What is the difference between float and double?


There are significant differences between float and double, although both are floating point numbers The float value is a 32-bit number with floating point
Windows-CPP-und-C

Difference between IExtractImage2 and IExtractImage?


You want to implement IExtractImage or IExtractImage2 and register it as a Windows Shell extension Simply implement IExtractImage2, this is required to
Windows-CPP-und-C

How can I query whether my x86 application is currently running on x64?


IsWow64Process query under x64 MS OS whether the exe works in WOW64 mode typedef BOOL WINAPI * LPFN_ISWOW64PROCESS HANDLE, PBOOL; LPFN_ISWOW64PROCESS
Windows-CPP-und-C

How can I query whether a path is a folder or directory?


Querying whether a path is a folder or directory is quite simple in C ++  BOOL IsThePathFolderLPCTSTR pfad { ifpfadreturn FALSE; DWORD dwAttr = GetFileAttributespfad;
Windows-CPP-und-C

Trim string in cpp?


With your own trim string in cpp, simply shorten the strings individually ////////////////////////////////////////////////// ////////////////////// // //

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