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<HTML><BODY><PRE> <STRONG>NAME</STRONG> <STRONG>fglIsList</STRONG> - determine if a name corresponds to a display- list <STRONG>FORTRAN</STRONG> <STRONG>SPECIFICATION</STRONG> LOGICAL*1 <STRONG>fglIsList</STRONG>( INTEGER*4 <EM>list</EM> ) <STRONG>PARAMETERS</STRONG> <EM>list</EM> Specifies a potential display-list name. <STRONG>DESCRIPTION</STRONG> <STRONG>fglIsList</STRONG> returns <STRONG>GL_TRUE</STRONG> if <EM>list</EM> is the name of a display list and returns <STRONG>GL_FALSE</STRONG> otherwise. <STRONG>ERRORS</STRONG> <STRONG>GL_INVALID_OPERATION</STRONG> is generated if <STRONG>fglIsList</STRONG> is executed between the execution of <STRONG>fglBegin</STRONG> and the corresponding execution of <STRONG>fglEnd</STRONG>. <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG> <STRONG>fglCallList</STRONG>, <STRONG>fglCallLists</STRONG>, <STRONG>fglDeleteLists</STRONG>, <STRONG>fglGenLists</STRONG>, <STRONG>fglNewList</STRONG></PRE></BODY></HTML>⌨️ 快捷键说明
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