标签：des style class tar ext color
IDisplayTransformation
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DeviceFrame | Visible extent in device coordinates. |
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FittedBounds | Device frame in world coordinates. |
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Resolution | Resolution of the device in dots (pixels) per inch. |
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ScaleRatio | Scale between FittedBounds and DeviceFrame. |
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VisibleBounds | Visible extent in world coordinates. |
In layout view, when the Page is zoomed 1:1, the resolution equals the device resolution. When the Page is zoomed to > 100%, the resolution is set higher so that graphics are magnified.
In data view, the Map object always has its resolution set to that of the display. Graphics are not magnified in this view when you zoom in.
The units are always in pixels per inch.
After setting the resolution, the ITransformEvents::ResolutionUpdated event is fired.
IScreenDisplay
PanMoveTo pans the display by calculating an offset distance between the start point supplied to PanStart and the destination point provided to this method. The recording cache is automatically redrawn each time PanMoveTo is called. Use the envelope PanStop returns to truly refresh the display.
The typical sequence for using the pan methods is as follows:
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标签：des style class tar ext color
原文地址：http://www.cnblogs.com/yhlx125/p/3714966.html
