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Showing posts with the label Ctypes
In Python How Do I Set The Value Of A Lp_c_ubyte

In Python How Do I Set The Value Of A Lp_c_ubyte

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I am creating a Python wrapper for a C DLL using python ctypes. I am having trouble updating a poin… Read more In Python How Do I Set The Value Of A Lp_c_ubyte
What Are The Parameters For In: Python, Ctypes.windll.user32.systemparametersinfoa?

What Are The Parameters For In: Python, Ctypes.windll.user32.systemparametersinfoa?

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What do the 20, 0 and 3 mean in the Python function: SPI_SETDESKWALLPAPER=20 ctypes.windll.user32.… Read more What Are The Parameters For In: Python, Ctypes.windll.user32.systemparametersinfoa?
Access Violation In Logonuserw In Python 3

Access Violation In Logonuserw In Python 3

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I am writing a Python3 script for someone, that utilizes the advapi dll and its LogonUserW function… Read more Access Violation In Logonuserw In Python 3
Grayscale Hbitmap With Python Ctypes

Grayscale Hbitmap With Python Ctypes

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I have PIL images that I am trying to convert to grayscale HBitmap in ctypes. I have minimal knowle… Read more Grayscale Hbitmap With Python Ctypes
Numpy Structured / Regular Array From Ctypes Pointer To Array Of Structs

Numpy Structured / Regular Array From Ctypes Pointer To Array Of Structs

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Say I have the following C function: void getArrOfStructs(SomeStruct** ptr, int* numElements) And … Read more Numpy Structured / Regular Array From Ctypes Pointer To Array Of Structs
What's The Difference Between Lp_* Pointers And *_p Pointers In Ctypes? (and Weird Interaction With Structs)

What's The Difference Between Lp_* Pointers And *_p Pointers In Ctypes? (and Weird Interaction With Structs)

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I'm having trouble understanding the difference between LP_* (e.g. LP_c_char) and *_p (e.g. c_c… Read more What's The Difference Between Lp_* Pointers And *_p Pointers In Ctypes? (and Weird Interaction With Structs)