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37 API Function starting with letter D
Sort: Top 50 API | Top 50 Rated Rated API
DdeConnect
The DdeConnect function establishes a conversation with a server application that supports the specified service name and topic name pair. If more than one such server exists, the system selects only one....Hits: 2623 Rating:
(3.07) votes 452
Category: DDE
DrawText
The DrawText function draws formatted text in the specified rectangle. It formats the text according to the specified method (expanding tabs, justifying characters, breaking lines, and so forth)....Hits: 2533 Rating:
(2.96) votes 395
Category: Rectangle
DeleteObject
DeleteObject deletes an object after the program has finished using it. These objects include bitmaps, brushes, fonts, palettes, pens, and regions. Of course the object should never be deleted until it is no longer in use by any devices (see the example for a demonstration). Deleting the object free...Hits: 1664 Rating:
(3.00) votes 574
Category: Objects
DrawEdge
The DrawEdge function draws one or more edges of rectangle....Hits: 1766 Rating:
(2.86) votes 540
Category: Rectangle
DrawAnimatedRects
The DrawAnimatedRects function draws a wire-frame rectangle and animates it to indicate the opening of an icon or the minimizing or maximizing of a window....Hits: 1945 Rating:
(2.98) votes 802
Category: Rectangle
DeleteUrlCacheEntry
Removes the file associated with the source name from the cache, if the file exists....Hits: 3948 Rating:
(3.04) votes 671
Category: Internet
DdeUninitialize
The DdeUninitialize function frees all Dynamic Data Exchange Management Library (DDEML) resources associated with the calling application....Hits: 2126 Rating:
(2.94) votes 563
Category: DDE
DdeNameService
The DdeNameService function registers or unregisters the service names a dynamic data exchange (DDE) server supports. This function causes the system to send XTYP_REGISTER or XTYP_UNREGISTER transactions to other running Dynamic Data Exchange Management Library (DDEML) client applications....Hits: 1909 Rating:
(2.91) votes 408
Category: DDE
DeleteDC
DeleteDC destroys a device context (DC) which was created by CreateDC. Your program should delete a device context once it has finished using it in order to conserve resources. Do not use this function to close a device context gotten from GetDC -- for those, use ReleaseDC instead. ...Hits: 1736 Rating:
(3.02) votes 397
Category: Device
DispatchMessage
The DispatchMessage function dispatches a message to a window procedure. It is typically used to dispatch a message retrieved by the GetMessage function....Hits: 1919 Rating:
(2.90) votes 332
Category: System
DrawFrameControl
The DrawFrameControl function draws a frame control of the specified type and style....Hits: 1720 Rating:
(3.09) votes 435
Category: Rectangle
DrawState
The DrawState function displays an image and applies a visual effect to indicate a state, such as a disabled or default state....Hits: 2038 Rating:
(3.06) votes 705
Category: Bitmap
DefMDIChildProc
The DefMDIChildProc function provides default processing for any window message that the window procedure of a multiple document interface (MDI) child window does not process. A window message not processed by the window procedure must be passed to the DefMDIChildProc function, not to the DefWindowP...Hits: 1615 Rating:
(2.90) votes 239
Category: Window
DdeInitialize
The DdeInitialize function registers an application with the Dynamic Data Exchange Management Library (DDEML). An application must call this function before calling any other DDEML function....Hits: 2776 Rating:
(3.12) votes 367
Category: DDE
DdeFreeStringHandle
The DdeFreeStringHandle function frees a string handle in the calling application....Hits: 1489 Rating:
(2.82) votes 395
Category: DDE
DeviceIoControl
The DeviceIoControl function sends a control code directly to a specified device driver, causing the corresponding device to perform the corresponding operation....Hits: 3307 Rating:
(2.86) votes 273
Category: Device
DeviceCapabilities
The DeviceCapabilities function retrieves the capabilities of a printer device driver....Hits: 3349 Rating:
(2.96) votes 1083
Category: Printer
DllRegisterServer
The DllRegisterServer function adds entries associated with a Cluster Administrator extension DLL to the system registry. Client-side registration must be done on each machine on which the Cluster Administrator program is executed....Hits: 2637 Rating:
(3.06) votes 463
Category: DLL
DEVMODE Structure
DEVMODE-type variables store information about various settings and properties of a device, such as a printer. Some of the properties only apply to certain devices; for example, the dmDisplayFrequency has no meaning for a printer. Look at the dmFields member to determine which of the structure's mem...Hits: 2526 Rating:
(2.96) votes 188
Category: Device
DEVNAMES Structure
DEVNAMES-type variables store some information about a device. This information includes the device driver name, the device name, and the names of any output ports it uses. Note that instead of storing strings in the usual way, this structure puts all three strings into extra, where null characters ...Hits: 1950 Rating:
(2.87) votes 228
Category: Device