wpf-controls

来源： https://stackoverflow.com/questions/3265674/data-binding-to-a-usercontrol-in-wpf

来源： https://stackoverflow.com/questions/64063026/path-arcsegment-computation-from-center-point-to-specific-point-in-wpf

来源： https://stackoverflow.com/questions/30197260/change-togglebutton-for-expander-in-wpf-when-expanding

来源： https://stackoverflow.com/questions/30197260/change-togglebutton-for-expander-in-wpf-when-expanding

来源： https://stackoverflow.com/questions/27124818/stopstoryboard-shows-an-animation-warning

来源： https://stackoverflow.com/questions/30197260/change-togglebutton-for-expander-in-wpf-when-expanding

来源： https://stackoverflow.com/questions/8412893/access-property-of-element-in-controltemplate-in-xaml

来源： https://stackoverflow.com/questions/8412893/access-property-of-element-in-controltemplate-in-xaml

问题 In a WPF (or even a Windows 8 or 8.1 application) you have three possible ways to add a text in a control. Run element inside TextBlock element <TextBlock> <Run>My text</Run> </TextBlock> Text property as attribute of TextBlock element <TextBlock Text="My text" /> Text property as element inside TextBlock element <TextBlock> <TextBlock.Text>my text</TextBlock.Text> </TextBlock>` What are the differences between these three approaches? And why you must use Text for a TextBlock and Content for

问题 I am working on a charting control where I am plotting the "analysis range," which is just two vertical lines on the chart. A problem arises when I want to change the analysis range, because I don't know how to remove only the two analysis range lines, so I end up clearing the chart and plotting the actual data values and whatnot again. Is there a way to tag these UI elements (i.e. analysis range is a gridline UI element) so that I can remove them specifically? I suppose I could save the