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Jul 29, 2010 · WPF simple zoom and drag support in a ScrollViewer. Kevin Stumpf. Rate this: 4.98 (57 votes) Please Sign up or sign in to vote. 4.98 (57 votes) 6 Nov 2013 CPOL. A sample describing a way to zoom with the mouse wheel or a slider and drag limited content which is hosted by a ScrollViewer. ... When I click on the rectangle the scrollviewer should ...5/5(57)
Let's assume you have a Canvas_Main inside a ViewBox_CanvasMain, which in turn inside a ScrollViewer_CanvasMain. You want to zoom in by turning the mouse wheel, and the ScrollViewer will adjust the offset automatically so the feature (pointed by the mouse in the Canvas_Main) stays during the zoom …
The ScrollViewer provides scrolling logic and makes available both a horizontal and a vertical scrollbar. The visibility of the scrollbars in a ScrollViewer is controlled by the HorizontalScrollBarVisibility and VerticalScrollBarVisibility properties. By default, both of these properties are set to Auto for the ScrollViewer used in a ListBox.
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The ScrollViewer control provides a convenient way to enable scrolling of content in Windows Presentation Foundation (WPF) applications. This topic introduces the ScrollViewer element and provides several usage examples. The ScrollViewer Control. There are two predefined elements that enable scrolling in WPF applications: ScrollBar and ...
I like to zoom a video which I play with MediaElement to i.e. 150% but keep the MediaElement Size fixed. This should only show the center of the video on the screen i.e. like a wide screen movie on a 4:3 screen without black bars on the top and bottom.
I would like to allow click and drag scrolling using a ScrollViewer (i.e. click anywhere in the ScrollViewer and drag up or down, and it will scroll accordingly) I have a StackPanel nested inside a ScrollViewer and I already have the scrolling working. I believe I saw that answer somewhere, but I can't seem to find it anymore.
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