NVIDIA FX5500 User Guide - Page 83

XNVCTRLSetStringAttribute(), XNVCTRLQueryValidAttributeValues(), Possible X errors

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Page 83 highlights

CHAPTER 5 API Control • BadValue - The screen doesnʹt exist. • BadMatch - The NVIDIA driver is not present on that screen. • BadAlloc - Insufficient resources to fulfill the request. XNVCTRLSetStringAttribute() Bool XNVCTRLSetStringAttribute ( Display *dpy, int screen, unsigned int display_mask, unsigned int attribute, char *ptr ); Returns True if the operation succeeded, otherwise False. Possible X errors: • BadValue - The screen doesnʹt exist. • BadMatch - The NVIDIA driver is not present on that screen. • BadAlloc - Insufficient resources to fulfill the request. XNVCTRLQueryValidAttributeValues() Bool XNVCTRLQueryValidAttributeValues ( Display *dpy, int screen, unsigned int display_mask, unsigned int attribute, NVCTRLAttributeValidValuesRec *values ); This function returns True if the attribute exists. otherwise False. If XNVCTRLQueryValidAttributeValues returns True, values will indicate the valid values for the specified attribute. See the description of NVCTRLAttributeValidValues in NVCtrl.h. NVIDIA Corporation Quadro FX 4500/5500 SDI User's Guide - Version 2.0 79

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NVIDIA Corporation
Quadro FX 4500/5500 SDI User’s Guide
– Version 2.0
79
C
HAPTER
5
API Control
•
BadValue - The screen doesn
ʹ
t exist.
•
BadMatch - The NVIDIA driver is not present on that screen.
•
BadAlloc - Insufficient resources to fulfill the request.
XNVCTRLSetStringAttribute()
Bool XNVCTRLSetStringAttribute (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
char *ptr
);
Returns
True
if the operation succeeded, otherwise
False
.
Possible X errors:
•
BadValue - The screen doesn
ʹ
t exist.
•
BadMatch - The NVIDIA driver is not present on that screen.
•
BadAlloc - Insufficient resources to fulfill the request.
XNVCTRLQueryValidAttributeValues()
Bool XNVCTRLQueryValidAttributeValues (
Display *dpy,
int screen,
unsigned int display_mask,
unsigned int attribute,
NVCTRLAttributeValidValuesRec *values
);
This function returns
True
if the attribute exists. otherwise
False
.
If
XNVCTRLQueryValidAttributeValues returns True, values will indicate the valid values
for the specified attribute.
See the description of NVCTRLAttributeValidValues in NVCtrl.h.