在Java Swing编程中,遇到“component must be displayable”错误通常意味着你试图在一个尚未被正确初始化或显示的组件上执行某些操作。以下是一些可能的解决步骤和注意事项,帮助你解决这个问题: 确认错误上下文: 确保这个错误是在尝试播放视频、绘制图形或其他需要组件可显示的操作时发生的。 检查组件的可见性设置: 确...
This component must be displayable, focusable, visible and all of its ancestors (with the exception of the top-level Window) must be visible for the request to be granted. Every effort will be made to honor the request; however, in some cases it may be impossible to do so. Developers ...
This component must be displayable, focusable, visible and all of its ancestors (with the exception of the top-level Window) must be visible for the request to be granted. Every effort will be made to honor the request; however, in some cases it may be impossible to do so. Developers ...
This component must be displayable, visible, and focusable for the request to be granted. This method is intended for use by focus implementations. Client code should not use this method; instead, it should use requestFocusInWindow(). See Also: requestFocusInWindow() setVerifyInputWhenFocus...
java.lang.IllegalStateException: The video surface component must be displayable at uk.co.caprica.vlcj.player.embedded.videosurface.CanvasVideoSurface.attach(CanvasVideoSurface.java:72) [TCPMediaHandler]: Closing socket. at uk.co.caprica.vlcj.player.embedded.DefaultEmbeddedMediaPlayer.attachVideoSurface(...
To input data and complete a modal dialog, HATS assumes that the cursor must be within the dialog's border. Starting from the cursor character's coordinates on the screen, HATS searches to the left for a valid vertical border character as defined by the Vertical border characters setting. If...
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Switches into a given application domain (which the calling object must be bound to), executes the supplied callback function in that application domain, and then returns to the original application domain. DumpApplicationInstance Creates a dump file containing an image of the state of the ...
WriteDump("Called from Init method!!!","console"); returnthis; } } index.cfm <cfscript> historyObj =entityNew("HistoryEntry"); historyObj.setCaseNumber(1); historyObj.setDescription("This is a sample case."); entitysave(historyObj); ...
Component.isDisplayable() , Component.addNotify() setTextpublic void setText(String t)Sets the text that is presented by this text component to be the specified text. Parameters: t - the new text; if this parameter is null then the text is set to the empty string "" See Also: getTe...