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Final fix for mousewheel support on x64.

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the_fiddler 2008-11-09 23:42:54 +00:00
parent 0f1df127d5
commit 0769c375db
1 changed files with 3 additions and 1 deletions
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4
Source/OpenTK/Platform/Windows/WMInput.cs
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@ -88,7 +88,9 @@ namespace OpenTK.Platform.Windows
return;
case WindowMessage.MOUSEWHEEL:
mouse.Wheel += (int)(wparam.ToUInt32() >> 16) / 120;
// This is due to inconsistent behavior of the WParam value on 64bit arch, whese
// wparam = 0xffffffffff880000 or wparam = 0x00000000ff100000
mouse.Wheel += (int)((long)msg.WParam << 32 >> 48) / 120;
return;
case WindowMessage.LBUTTONDOWN: