38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace VSoft.Prams
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{
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public delegate void MouseMovedEvent();
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public delegate void MouseMDownEvent();
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public delegate void MouseMUpEvent();
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public class GlobalMouseHandler : IMessageFilter
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{
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private const int WM_MOUSEMOVE = 0x0200;
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private const int WM_MBUTTONDOWN = 0x0207;
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private const int WM_MBUTTONUP = 0x0208;
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public event MouseMovedEvent TheMouseMoved;
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public event MouseMDownEvent TheMouseMDown;
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public event MouseMUpEvent TheMouseMUp;
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#region IMessageFilter Members
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public bool PreFilterMessage(ref Message m)
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{
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if (m.Msg == WM_MOUSEMOVE)
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if (TheMouseMoved != null)
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TheMouseMoved();
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if (m.Msg == WM_MBUTTONDOWN)
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if (TheMouseMDown != null)
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TheMouseMDown();
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if (m.Msg == WM_MBUTTONUP)
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if (TheMouseMUp != null)
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TheMouseMUp();
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// Always allow message to continue to the next filter control
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return false;
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}
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#endregion
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}
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}
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