Testing on mouse buttons without events.

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Olaf Baeyens - 16 Aug 2005 12:13 GMT

Is there a way in the .NET framework to determin if a key is pressed and if
a mouse button is pressed withou need of events?
I need this in an OpenGL project, while the scene is rendered I want to see
if the left mouse button is pressed and/or if a key is pressed before
rendering my scene.

I could of course use the events version but I don't like to make my code
complicated by passing on the states als booleans.

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Morten Wennevik - 16 Aug 2005 13:06 GMT

Hi Olaf,

Use the static Control.ModifierKeys and Control.MouseButtons to check the status outside an event.

> Is there a way in the .NET framework to determin if a key is pressed and if
> a mouse button is pressed withou need of events?
[quoted text clipped - 4 lines]
> I could of course use the events version but I don't like to make my code
> complicated by passing on the states als booleans.

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Happy coding!
Morten Wennevik [C# MVP]

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Olaf Baeyens - 16 Aug 2005 13:40 GMT

> Use the static Control.ModifierKeys and Control.MouseButtons to check the status outside an event.

Fantastisc! :-)
I believe it is used something like this?

if ((System.Windows.Forms.Control.MouseButtons &
System.Windows.Forms.MouseButtons.Left)!=0) {
OnRotate(this,RotationEnum.RotateLeft);
}

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Morten Wennevik - 16 Aug 2005 17:33 GMT

Indeed

>> Use the static Control.ModifierKeys and Control.MouseButtons to check the
> status outside an event.
[quoted text clipped - 6 lines]
> OnRotate(this,RotationEnum.RotateLeft);
> }

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Happy coding!
Morten Wennevik [C# MVP]

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Testing on mouse buttons without events.

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