LAnnToolBar::Create

#include "ltwrappr.h"

virtual HWND LAnnToolBar::Create(hWndParent, pPoint, uAlign, bVisible, uButtons=NULL, pButtons=NULL)

HWND hWndParent;

handle to the parent window

LPPOINT pPoint;

pointer to the POINT structure

L_UINT uAlign;

constant for the toolbar allignment

L_BOOL bVisible;

flag that indicates whether the toolbar will be visible

L_UINT uButtons;

number of buttons the toolbar will have

pANNBUTTON pButtons;

array of ANNBUTTON structures that contain toolbar button information

Creates an annotation toolbar in the specified window.

Parameter Description
hWndParent Handle to the parent window.
pPoint Pointer to the POINT structure that specifies the position of the new window in the parent window. Coordinates are relative to the parent window.
uAlign Value indicating which corner of the toolbar is located at pPoint. One of the following values:
  ANNTOOLALIGN_LEFT [0x0000]
  ANNTOOLALIGN_RIGHT [0x0001]
  must be combined using the bitwise OR with one of these values:
  ANNTOOLALIGN_TOP [0x0000]
  ANNTOOLALIGN_BOTTOM [0x0002]
  For example, ANNTOOLALIGN_LEFT|ANNTOOLALIGN_TOP indicates that pPoint is the top left point of the toolbar.
bVisible Flag that indicates whether the toolbar will be visible. Possible values are:
  Value Meaning
  TRUE Toolbar will be visible.
  FALSE Toolbar will not be visible.
uButtons Number of buttons that will be in the annotation toolbar. This value is valid only if pButtons is not NULL.
pButtons Array of ANNBUTTON structures that contain information about the tool buttons to include in the annotation toolbar. If this is NULL, the default annotation toolbar will be created.

Returns

>0

Handle of the created toolbar.

=NULL

An error occurred. Refer to Return Codes.

Required DLLs and Libraries

LTANN

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64.

See Also

Functions:

LAnnotation::SetOptions, Class Members

Topics:

Annotation Functions: Implementing Automation

 

Implementing Annotations

 

Automated User Interface for Annotations

 

Key Annotation Features

Example

L_INT LAnnToolBar_CreateExample(HWND hWndParent) 
{ 
   LAnnToolBar LeadAToolbar ; 
   HWND hWnd ; 
   POINT Point ; 
   L_UINT uChecked ; 
   L_INT nRet; 
   if (LeadAToolbar.IsCreated() == FALSE) 
   { 
      Point.x = 10 ; 
      Point.y = 10 ; 
      HWND hWnd = LeadAToolbar.Create(hWndParent,&Point, ANNTOOLALIGN_LEFT | ANNTOOLALIGN_TOP, TRUE) ; 
      if(hWnd == NULL) 
         return ERROR_INVALID_PARAMETER; 
   } 
   hWnd = LeadAToolbar.GetWndHandle(); 
   if (hWnd == NULL) 
   { 
      MessageBox(NULL,TEXT("A ToolBar was not created ..."),TEXT("Notice"),MB_OK) ; 
      return FAILURE; 
   } 
   if (LeadAToolbar.IsButtonVisible(ANNTOOL_LINE) == FALSE) 
   { 
      nRet = LeadAToolbar.SetButtonVisible(ANNTOOL_LINE,TRUE); 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   uChecked = LeadAToolbar.GetToolChecked() ; 
   if (uChecked != ANNTOOL_LINE) 
   { 
      nRet = LeadAToolbar.SetToolChecked(ANNTOOL_LINE) ; 
      if(nRet != SUCCESS) 
         return nRet; 
   } 
   //... 
   //... 
   LeadAToolbar.Destroy(); 
   return SUCCESS; 
}

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