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 Graphics Manager BindDC Failing with Large Rects

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T O P I C    R E V I E W
petersj Posted - 06/27/2022 : 02:40:31 AM
Hi, I've been trying to use the CBCGPGraphicsManagerD2D::BindDC method with 'large' RECTs to draw a long header bar when zoomed into one of our Gantt charts.

However when trying to bind a Rect with width larger than 16384 (Or 2^14 exactly?) it throws this error:

"E_INVALIDARG One or more arguments are invalid."

I can't see any documentation that states a limit on this, especially since a RECT uses signed 32bit ints?

Is this a bug or am I doing something incorrectly?

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Support Posted - 06/27/2022 : 04:22:11 AM

This is a Direct2D issue: CBCGPGraphicsManagerD2D::BindDC simply wraps ID2D1DCRenderTarget::BindDC.

Best regards,

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