TControlState describes the current state of a control.
TControlState = set of (csLButtonDown, csClicked, csPalette, csReadingState, csAlignmentNeeded, csFocusing, csCreating, csPaintCopy, csCustomPaint, csDestroyingHandle, csDocking, csDesignerHide, csPanning, csRecreating, csAligning, csGlassPaint);
(csLButtonDown, csClicked, csPalette, csReadingState, csAlignmentNeeded, csFocusing, csCreating, csPaintCopy, csCustomPaint, csDestroyingHandle, csDocking, csDesignerHide, csPanning, csRecreating, csAligning, csGlassPaint) TControlState;TControlState defines a set of flags used to defined the state of a control:
|
Flag |
Meaning |
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csLButtonDown |
The left mouse button was clicked and not yet released. This is set for all mouse-down events. |
|
csClicked |
The same as csLButtonDown, but only set if ControlStyle contains csClickEvents, meaning that mouse-down events are interpreted as clicks. |
|
csPalette |
The palette has changed and the control or one of its descendants has not finished adjusting by realizing its palette. |
|
csReadingState |
The control is reading its state from a stream. |
|
csAlignmentNeeded |
The control needs to realign itself when alignment is re-enabled. |
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csFocusing |
The application is processing messages intended to give the control focus. This does not guarantee the control will receive focus, but prevents recursive calls. |
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csCreating |
The control and/or its owner and subcontrols are being created. This flag clears when all have finished creating. |
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csPaintCopy |
The control is being replicated, meaning a copy of the control is being painted. The ControlStyle flag csReplicatable must be set for this state to occur. |
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csCustomPaint |
The control is processing custom paint messages. |
|
csDestroyingHandle |
The control's window is being destroyed. |
|
csDocking |
The control is being docked. |
|
csPanning |
Set if the control is actively being panned. |
|
csRecreating |
The control and/or its owner and subcontrols are being recreated. This flag clears when all have finished recreating. |
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