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XZoom Xeffort Sample |
XZoom sample demonstrates how to enable image zooming and panning using mouse. It shows how to:
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set up a "view window" to display the graphic output
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use XSetCanvas routine to manage size of "virtual image" and positions of the scrollbar.
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use status bar control to display the current mouse coordinates
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use XStdCursor to change the cursor
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use SetCapture/ReleaseCapture APIs to set the mouse capture
