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TDragControlObjectEx Members

The following tables list the members exposed by TDragControlObjectEx.

 
Name 
Description 
 
Generates an OnEndDrag event for the control that is being dragged. 
 
Finished ends a drag and drop operation. 
 
Responds when the mouse is released indicating the drag operation is complete. 
 
Returns the correct drag cursor to display at the X, Y position for the drag and drop operation. 
 
Indicates which cursor should be displayed in response to mouse moves. 
 
Returns the control's image list containing the image to be displayed while dragging. 
 
Returns an image list containing the image to be displayed while dragging. 
 
This is MainWndProc, a member of class TDragObject. 
 
This is WndProc, a member of class TDragObject. 
 
Name 
Description 
 
Responds after the last constructor has executed. 
 
Responds after the last constructor has executed. 
 
Copies the properties of another drag control object. 
 
Copies the properties of another drag control object. 
 
Allows the application to detect that the drag object needs to be freed. 
 
Returns a pointer to the runtime type information (RTTI) table for the object type. 
 
Returns a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument). 
 
Determines whether an object is of a specific type. 
 
Returns the type of the immediate ancestor of a class. 
 
Returns the class reference for the object's class. 
 
Performs finalization on long strings, variants, and interface variables within a class. 
 
Creates an instance of the TBaseDragControlObject and stores a reference to the control that is being dragged. 
 
Constructs an object and initializes its data before the object is first used. 
 
Provides the interface for a method that processes message records. 
 
Disposes of an object instance. 
 
Calls message-handling methods for the object, based on the contents of the Message parameter. 
 
Checks if the current instance and the parameter are equal. 
 
This is the overview for the FieldAddress method overload. 
 
Free 
Destroys an object and frees its associated memory, if necessary. 
 
Deallocates memory allocated by a previous call to the System::TObject::NewInstance method. 
 
Returns an integer containing the hash code. 
 
Retrieves a specified interface. 
 
Returns the entry for a specific interface implemented in a class. 
 
Returns a pointer to a structure containing all of the interfaces implemented by a given class. 
 
Returns a string that identifies the drag operation. 
 
Hides the image used in the drag cursor. 
 
Provides the interface for a method that hides the current drag image. 
 
Determines the relationship of two object types. 
 
Initializes a newly allocated object instance to all zeros and initializes the instance's virtual method table pointer. 
 
Returns the instance (module) handle of the EXE or DLL that created the drag object. 
 
Returns the size in bytes of each instance of the object type. 
 
This is the overview for the MethodAddress method overload. 
 
Returns the name of a class method by address. 
 
Allocates memory for an instance of an object type and returns a pointer to that new instance. 
 
Handles exceptions in methods declared using the safecall calling convention. 
 
Shows the image used in the drag cursor. 
 
Provides the interface for a method that hides the current drag image. 
 
Returns a string containing the class name. 
 
Returns a string containing the unit name. 
 
Name 
Description 
 
This is AlwaysShowDragImages, a member of class TDragObject. 
 
Specifies whether the drag operation is being canceled. 
 
Indicates the control that is being dragged. 
 
Specifies the window handle of the dragged object. 
 
Specifies the position of the dragged object. 
 
Specifies the dragged object's target. 
 
Specifies the position of the drag object relative to the drag target. 
 
Drag ended with drop. 
 
Specifies the x-coordinate of the mouse position relative to the position of the dragged object's target. 
 
Specifies the y-coordinate of the mouse position relative to the position of the dragged object's target. 
 
This is RightClickCancels, a member of class TDragObject. 
Copyright(C) 2009 Embarcadero Technologies, Inc. All Rights Reserved.
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