Common cfiledialog dialog box

CfiledialogClass

Setbitmap

LoadImage

Dynamic Display of images

 

I. cfiledialog class

Constructor

Cfiledialog (bool bopenfiledialog, lpctstr lpszdefext = NULL, lpctstr

Lpszfilename = NULL, DWORD dwflags = ofn_hidereadonly |

Ofn_overwriteprompt, lpctstr lpszfilter = NULL, cwnd * pparentwnd = NULL );

 

Parameters

Bopenfiledialog

True: open, false, save

Lpszdefext

Default file extension. If you do not include an extension in the file name editing box, the extension defined by lpszdefext is automatically added to the file name. If it is null, no extension is added.

Lpszfilename

Default file name to open

Dwflags

Dialog Box flag

Ofn_hidereadonly // hide the read-only check box when enabled

Fn_overwriteprompt // when the file exists, a prompt box is displayed.

Ofn_readonly // the read-only check box is displayed.

Lpszfilter

The file extension list is as follows:

"Bitmap (*. BMP) | *. BMP | text file (*. txt) | *. txt | all files (*. *) | *. * | ";

Pparentwnd

Specify a parent window address

 

 

Ii. Picture control controls

Cstatic ::

Setbitmap	Specifies a bitmap to be displayed in the static control.
Getbitmap	Retrieves the handle of the bitmap previusly set with setbitmap.
Seticon	Specifies an icon to be displayed in the static control.
GetIcon	Retrieves the handle of the icon previusly set with seticon.
Setcursor	Specifies a cursor image to be displayed in the static control.
Getcursor	Retrieves the handle of the cursor image previusly set with setcursor.
Setenhmetafile	Specifies an Enhanced Metafile to be displayed in the static control.
Getenhmetafile	Retrieves the handle of the Enhanced Metafile previusly set with setenhmetafile

 

 

Iii. LoadImage Functions

Handle LoadImage (
 

Hinstance Hinst,// Handle of the instancecontaining the image
 

Lpctstr Lpszname,// Name or identifier ofimage
  

Uint Utype,// Type of image
 

Int Cxdesired,// Desired width
 

Int Cydesired,// Desired height
  

Uint Fuload// Load flags
);

 

 

// Load the image in the file

HBP = (hbitmap) LoadImage (null, filename, image_bitmap, 0, 0, lr_defaultsize | lr_loadfromfile );

// Load the image in the Resource

HBP = (hbitmap) LoadImage (afxgetapp ()-> m_hinstance, makeintresource (idb_bitmap2), image_bitmap, 0, 0, lr_defaultsize );

// Resize the image

HBP = (hbitmap) LoadImage (afxgetapp ()-> m_hinstance, makeintresource (idb_bitmap2), image_bitmap, 33,221, 0 );

 

 

// Release resources

Resource	Release resource functions
Bitmap	Deleteobject
Cursor	Destroycursor
Icon	Destroyicon