GridView (gb.qt4)
Implements a control that displays data in a grid.
You can fill the grid explicitly, or implement the
Data event to display the grid contents on demand.
You should use the last method if you have a lot of rows to display. The control can handle millions of lines gracefully.
Константы
Both
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Indicate that both horizontal and vertical headers must be displayed.
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Horizontal
|
Indicate that the horizontal header must be displayed.
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None
|
Indicate that no header is displayed.
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Vertical
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Indicate that the vertical header must be displayed.
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Свойства
AutoResize
|
Return or set if the last column will automatically be resized so that the gridview view area is entirely covered.
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Background
|
Returns or sets the background color used by the control.
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Border
|
Return or set if the control displays a border.
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ClientH
|
A synonymous for the ClientHeight property.
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ClientHeight
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Return the height of the internal area containing the cells.
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ClientW
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A synonymous for the ClientWidth property.
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ClientWidth
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Return the width of the internal area containing the cells.
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ClientX
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Return the left position of the internal area containing the cells.
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ClientY
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Return the top position of the internal area containing the cells.
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Column
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Return or set the index of the current column.
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Columns
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Return a virtual array of each gridview column.
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Current
|
Return the current cell.
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Data
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Use this property to store the contents of a cell during the Data event handler.
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Grid
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Return or set if the grid is displayed.
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Header
|
Return or set which headers should be displayed:
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Mode
|
Return or set the selection mode:
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Padding
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Return or set the default cell padding in pixels.
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Resizable
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Return or set if the column headers are resizable.
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Row
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Return or set the index of the current row.
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Rows
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Return a virtual array of each gridview row.
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ScrollBar
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Return or set which scrollbars are displayed.
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ScrollH
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A synonymous for ScrollHeight.
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ScrollHeight
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Returns the contents height.
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ScrollW
|
A synonymous for ScrollWidth.
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ScrollWidth
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Returns the contents width.
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ScrollX
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Returns or sets the horizontal scrolling position.
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ScrollY
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Returns or sets the vertical scrolling position.
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ShowCursor
|
Return or set if a light cursor is drawn around the current cell.
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Sorted
|
Return or set if clicking on a column header toggles the sort indicator.
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Inherited properties
Action
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Returns or sets the action string associated with the control.
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Children
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Returns a collection of each control included in the container.
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Cursor
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Use this property for assigning a custom cursor to a control.
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Design
|
Indicates that the control is in design mode.
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Direction
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Return or set the control text direction.
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Drop
|
Returns or sets if a control accepts drops.
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Enabled
|
Indicates that the control is enabled.
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Expand
|
Returns or sets if a control will expand if included in a container
that arranges its contents.
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Font
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Returns or sets the font used to draw text in the control.
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Foreground
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Returns or sets the foreground color used by the control.
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H
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A synonymous for the Height property.
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Handle
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Returns the internal X11 window handle of the control.
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HasFocus
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Returns whether the control has the focus.
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Height
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Returns or sets the height of the control.
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Hovered
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Returns whether the mouse cursor is inside the control.
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Id
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A synonymous for the Handle property.
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Ignore
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Returns or sets if a control must be ignored when its parent arranges its children.
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Left
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Returns or sets the position of the left border of the control relative to its parent.
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Mouse
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Returns or sets the appearence of the cursor when it points inside the control.
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Name
|
Returns or sets the name of the control.
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Next
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Returns the next control having the same parent.
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NoAnimation
|
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NoTabFocus
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Return or set if a control cannot be focused with the TAB key.
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Parent
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Returns the control container.
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PopupMenu
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Return or set the name of the menu that will be popped-up when the user presses the right mouse button or the keyboard MENU key.
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Previous
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Returns the previous control having the same parent.
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Proxy
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Return or set the "proxy" of a control.
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ProxyFor
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Return which control that control is a proxy for.
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RightToLeft
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Return if the control is right to left oriented.
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ScreenX
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Returns the position of the left border of the control in screen coordinates.
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ScreenY
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Returns the position of the top border of the control in screen coordinates.
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Tag
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Returns or sets the control tag.
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Tooltip
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Returns or sets the tooltip shown when the mouse stays on the control for a short time.
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Top
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Returns or sets the position of the top border of the control relative to its parent.
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Tracking
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Returns or sets if the control will receive MouseMove events.
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Visible
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Indicates if the control is visible or not.
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W
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A synonymous for the Width property.
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Width
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Returns or sets the width of the control.
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Window
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Returns the top-level window that contains the control.
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X
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Returns or sets the position of the left border of the control relative to its parent.
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Y
|
Returns or sets the position of the top border of the control relative to its parent.
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Методы
AddColumn
|
Add a new column to the GridView.
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Clear
|
Clear the grid static contents.
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ColumnAt
|
Return the index of the column pointed by the specified horizontal position.
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MoveTo
|
Set the current cell row and column.
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RowAt
|
Return the index of the row pointed by the specified vertical position.
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Scroll
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Scroll the contents to the given position.
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Select
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Selects several rows.
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SelectAll
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Select all rows.
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UnSelectAll
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Unselect all rows.
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Inherited methods
Delete
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Destroys the control.
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Drag
|
Starts a drag & drop process.
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FindChild
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Finds the first child control pointed by the X and Y coordinates.
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Grab
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Grab the keyboard and the mouse so that all keyboard and mouse events are received by the control.
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Hide
|
Hides the control.
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Lower
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Sends the control to the background of its parent.
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Move
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Moves and/or resizes the control.
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MoveScaled
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Moves and/or resizes the control.
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Raise
|
Sends the control to the foreground of its parent.
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Refresh
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Trigger a redraw of the control.
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Reparent
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Changes the container of a control.
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Resize
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Resizes the control.
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ResizeScaled
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Resizes the control.
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SetFocus
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Gives the focus to the control.
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Show
|
Shows the control.
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События
Activate
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Raised when the user double-clicks on a cell.
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Change
|
Raised when the current cell has moved.
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Click
|
Raised when the user clicks on a cell.
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ColumnClick
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Raised when the user clicks on a column header.
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ColumnResize
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Raised when a column is resized.
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ColumnSize
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Raised when a specific column has been resized by the user with a double-click on the border separating it from the next column.
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Data
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This event is raised when the data stored in the specified cell is needed (usually to draw it).
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Draw
|
Raised when a cell must be drawn.
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Font
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This event is raised when the control font changes.
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RowClick
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Raised when the user clicks on a row header.
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RowResize
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Raised when a row is resized.
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RowSize
|
Raised when a specific row has been resized.
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Scroll
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Raised when the control contents have been scrolled.
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Select
|
Raised when the selection changes.
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Sort
|
Raised when the GridView contents must be sorted.
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Inherited events
Arrange
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This event is raised when a container has just finished arranging its contents.
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BeforeArrange
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This event is raised just before a container arranges its contents.
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DblClick
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Raised when the user quickly clicks twice on the control.
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Drag
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This event is raised when the mouse enters the control during a drag & drop process.
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DragLeave
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This event is raised when the mouse leaves the control during a drag & drop operation.
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DragMove
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This event is raised while the mouse moves inside the control
during a drag & drop process.
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Drop
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This event is raised when a drag is dropped in the control.
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Enter
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Raised when the mouse enters the control.
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GotFocus
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Raised when the control has got the focus.
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KeyPress
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Raised when a key is pressed while the control has the focus.
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KeyRelease
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Raised when a key is released while the control has the focus.
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Leave
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Raised when the mouse leaves the control.
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LostFocus
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Raised when the control has lost the focus.
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Menu
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Raised when the user clicks on the control with the right mouse button,
or if it hits the MENU key.
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MouseDown
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Raised when a mouse button is pressed while the cursor is inside the control.
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MouseDrag
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This event is raised when a drag operation should be started.
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MouseMove
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Raised when the mouse moves inside the control while a mouse button is pressed.
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MouseUp
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Raised when a mouse button is depressed while the cursor is inside the control.
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MouseWheel
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This event is raised when the user moves or presses the mouse wheel
while the mouse is inside the control.
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NewChild
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This event is raised when a new child Control has just been inserted into the container.
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Example
'Fill grid explicitly
GridView1.Columns.Count = 4
GridView1.Rows.Count = 3
GridView1.Columns.Width = 52
GridView1.Rows[1].Height = 52
GridView1[0,0].Text = "0,0"
GridView1[0,0].Alignment = Align.Right
GridView1[1,1].Text = "1,1"
GridView1[0,1].Text = "0,1"
GridView1[1,0].Picture = Picture["image.png"]