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As the pane is being moved, this method analyzes its position relative to other panes, dock rows, and mini-frame windows, and returns the appropriate AFX_CS_STATUS value.
virtual AFX_CS_STATUS IsChangeState(
int nOffset,
CBasePane** ppTargetBar
) const;
Parameters
[in] nOffset
Specifies docking sensitivity. For example, a pane that is moved within nOffset pixels from a dock row will be docked.[in] ppTargetBar
When the method returns, ppTargetBar contains either a pointer to the object to which the current pane should be docked, or NULL if no docking should occur.
Return Value
One of the following AFX_CS_STATUS values:
Value |
Description |
|---|---|
CS_NOTHING |
The pane is not near a dock site. The framework does not dock the pane. |
CS_DOCK_IMMEDIATELY |
The pane is over a dock site, and the DT_IMMEDIATE style is enabled. The framework docks the pane immediately. |
CS_DELAY_DOCK |
The pane is over a dock site that is either another docking pane or an edge of the main frame. The framework docks the pane when the user releases the move. |
CS_DELAY_DOCK_TO_TAB |
The pane is over a dock site that causes the pane to be docked in a tabbed window. This occurs when the pane is either over the caption of another docking pane or over the tab area of a tabbed pane. The framework docks the pane when the user releases the move. |
Requirements
Header: afxpane.h