www.pudn.com > Ch4_1.rar > Ch4_1Commands.cpp

///////////////////////////////////////////// 
// ObjectARX defined commands 
 
#include "StdAfx.h" 
#include "StdArx.h" 
 
 
// This is command 'CNL' 
void cnl() 
{ 
	char lyrName[256]; 
	char kw[20]; 
	int rc;		// return code 
	int col;	// Color value 
 
	AcDbObjectId ltypeId;	// We need the object id of the linetype 
							// for layer creation 
 
	rc = acedGetString(0, "\nNew layer name: ", lyrName); 
	switch(rc) 
	{ 
		case RTCAN: 
			acutPrintf("\nUser canceled"); 
			return; 
		case RTERROR: 
			acutPrintf("\nError with input of new layer name "); 
			return; 
		break; 
	} 
 
	if(lyrName[0] == '\0') 
	{ 
		acutPrintf("\nEmpty string for new layer name - invalid "); 
		return; 
	} 
 
	// Get the layer color 
	acedInitGet(RSG_NONULL + RSG_NONEG + RSG_NOZERO, NULL); 
	acedGetInt("\nLayer color (1 - 7 only) ", &col); 
 
	if(col > 7) 
	{ 
		acutPrintf("\nToo high a color value. "); 
		return; 
	} 
 
	// Get the layer line type default = 'CONTINUOUS' 
	if(!getNewLyrLtId(ltypeId)) 
	{ 
		acutPrintf("\nUnable to retrieve the linetype AcDbObjecId "); 
		return; 
	} 
 
	// Now that we have a layer name, layer color and line type 
	// Ask the user if he wants to make the new layer the current layer 
	acedInitGet(NULL, "Yes No"); 
	rc = acedGetKword("\nMake new layer current - [Yes/No]: ", kw); 
	switch(rc) 
	{ 
		case RTCAN: 
			acutPrintf("\nUser canceled"); 
		break; 
		case RTERROR: 
			acutPrintf("\nError in acedGetKword function"); 
		break; 
		case RTNONE: 
			// If the user presses the [ENTER] key 
			// we take this as a "Yes" 
			createNewLayer(lyrName, col, ltypeId, Adesk::kTrue); 
		break; 
		case RTNORM: 
			if(strcmp(kw, "Yes") == 0) 
			{ 
				createNewLayer(lyrName, col, ltypeId, Adesk::kTrue); 
			} 
			else if(strcmp(kw, "No") == 0) 
			{ 
				createNewLayer(lyrName, col, ltypeId, Adesk::kFalse); 
			} 
		break; 
	} 
}