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Questions - bitblt

python win32ui.error: BitBlt failed & CreateCompatibleBitmap failed in multithreading

I'm here to ask for help on a recent problem I encountered with my program.... I am getting this error when I try to use BitBlt and CreateCompatibleBitmap: win32ui.error: BitBlt failed & CreateCom...

MillhioreBT

python

multithreading

bitmap

win32gui

bitblt

Votes: 0

Answers: 1

Latest Answer

Thanks to @Tim Roberts I was able to orient myself a little more and I started an investigation in this regard, and although his answer was not accurate, he was very clear that simultaneous access to ...

MillhioreBT

What is the purpose of 'win32con.SRCCOPY'?

In the code of answer of this question, there is a line cDC.BitBlt((0,0),(w, h) , dcObj, (0,0), win32con.SRCCOPY). Here what is the purpose of win32con.SRCCOPY? I have looked for documentation everywh...

user541396

python

screenshot

pywin32

bitblt

win32con

Votes: 0

Answers: 1

Latest Answer

It's a symbolic integer constant defined in the win32con module that specifies what raster operation (rop) to perform when calling the win32gui.BitBlt() function. The official BitBlt function (wingdi....

martineau

BitBlt not getting its 'aim' consistant

Windows 11 I have three monitors in front of me. The one on the left has negative screen x coordinates, the centre one starts from zero and the one on the right, a 4K, carries on where the centre one ...

nigelh

winapi

point

dpi

bitblt

Votes: 0

Answers: 0

MFC Dialogue based application

Good day, I am trying to add a bitmap image to my dialogue-based application using MFC ( VSTUDIO 2019 ). I wish to position my image at the center of the application. How do I get the size of the curr...

Justin M

mfc

bitblt

dialogbasedapp

Votes: 0

Answers: 1

Latest Answer

As mentioned in the comments, you can use GetClientRect to get the dimensions use refer to. My answer here provides some additonal information about GetClientRect and the other variants.

Andrew Truckle

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