PMGuide - Direct Manipulation

About Rendering Mechanisms

OS/2 File Rendering Mechanism

           Mechanism Name
           Messages
           Native Mechanism Actions
           Preventing a Target from Rendering an Item
           Requesting the Source to Render the Item
           Allocating and Freeing a DRAGTRANSFER Data Structure
           Operation Specifics
           Non-Native Mechanism Actions
           Naming Conventions
           Types 

Print Rendering Mechanism

           Mechanism Name
           Messages
           Native Mechanism Actions
           Naming Conventions 

Dynamic Data Exchange (DDE) Rendering Mechanism

           Mechanism Name
           Messages
           Native Mechanism Actions
           Operation Specifics
           Non-Native Mechanism Actions
           Naming Conventions
           Types 

Application-Defined Rendering Mechanisms

           Mechanism Name
           Native Mechanism Actions
           Naming Conventions
           Performance Considerations 

Using Direct Manipulation

       Allocating Memory for the Drag Operation
       Initializing DRAGITEM Data Structure
           Type
           True Type
           Rendering Mechanism and Format
           Native Rendering Mechanism and Format
           Suggested Name at Target
           Container Name
           Source Name
           Sample Code for Initializing DRAGITEM Data Structure 
       Initializing DRAGIMAGE Data Structure
       Starting the Drag Operation
       Responding to the DM_DRAGOVER Message
           Providing Target Emphasis
           Providing Customized Images 
       Responding to the DM_DRAGLEAVE Message
       Responding to the DM_DROP Message
       Exchanging Data
           Performance Considerations 
       Using Pickup and Drop